Home / 6,228,927.90-9,343,391.85-2,189,976.30

Finding the Fourth Proportional to 6,228,927.90, 9,343,391.85 and 2,189,976.30

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Solution

The fourth proportional to 6,228,927.90, 9,343,391.85 and 2,189,976.30 is: 3,284,964.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,228,927.90 : 9,343,391.85 = 2,189,976.30 : x
  2. Step 2: Convert to fraction form
    6,228,927.90/9,343,391.85 = 2,189,976.30/x
  3. Step 3: Cross multiply
    6,228,927.90x = 9,343,391.85 × 2,189,976.30
  4. Step 4: Simplify right side
    6,228,927.90x = 20,461,806,713,113.15
  5. Step 5: Solve for x
    x = 20,461,806,713,113.15/6,228,927.90
  6. Step 6: Final answer
    x = 3,284,964.45

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Double scale
Find fourth proportional to 6,228,928.90, 9,343,393.35 and 2,189,977.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.