Home / 4,428,510.60-6,642,765.90-4,386,520.20

Finding the Fourth Proportional to 4,428,510.60, 6,642,765.90 and 4,386,520.20

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Solution

The fourth proportional to 4,428,510.60, 6,642,765.90 and 4,386,520.20 is: 6,579,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,510.60 : 6,642,765.90 = 4,386,520.20 : x
  2. Step 2: Convert to fraction form
    4,428,510.60/6,642,765.90 = 4,386,520.20/x
  3. Step 3: Cross multiply
    4,428,510.60x = 6,642,765.90 × 4,386,520.20
  4. Step 4: Simplify right side
    4,428,510.60x = 29,138,626,804,221.18
  5. Step 5: Solve for x
    x = 29,138,626,804,221.18/4,428,510.60
  6. Step 6: Final answer
    x = 6,579,780.30

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Double scale
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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.