Home / 6,605,134.80-9,907,702.20-2,819,000.40

Finding the Fourth Proportional to 6,605,134.80, 9,907,702.20 and 2,819,000.40

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Solution

The fourth proportional to 6,605,134.80, 9,907,702.20 and 2,819,000.40 is: 4,228,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605,134.80 : 9,907,702.20 = 2,819,000.40 : x
  2. Step 2: Convert to fraction form
    6,605,134.80/9,907,702.20 = 2,819,000.40/x
  3. Step 3: Cross multiply
    6,605,134.80x = 9,907,702.20 × 2,819,000.40
  4. Step 4: Simplify right side
    6,605,134.80x = 27,929,816,464,880.88
  5. Step 5: Solve for x
    x = 27,929,816,464,880.88/6,605,134.80
  6. Step 6: Final answer
    x = 4,228,500.60

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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.