Home / 6,130,414.80-9,195,622.20-2,140,808.40

Finding the Fourth Proportional to 6,130,414.80, 9,195,622.20 and 2,140,808.40

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Solution

The fourth proportional to 6,130,414.80, 9,195,622.20 and 2,140,808.40 is: 3,211,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130,414.80 : 9,195,622.20 = 2,140,808.40 : x
  2. Step 2: Convert to fraction form
    6,130,414.80/9,195,622.20 = 2,140,808.40/x
  3. Step 3: Cross multiply
    6,130,414.80x = 9,195,622.20 × 2,140,808.40
  4. Step 4: Simplify right side
    6,130,414.80x = 19,686,065,248,986.48
  5. Step 5: Solve for x
    x = 19,686,065,248,986.48/6,130,414.80
  6. Step 6: Final answer
    x = 3,211,212.60

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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.