Home / 4,158,778.60-6,238,167.90-3,670,640.20

Finding the Fourth Proportional to 4,158,778.60, 6,238,167.90 and 3,670,640.20

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Solution

The fourth proportional to 4,158,778.60, 6,238,167.90 and 3,670,640.20 is: 5,505,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158,778.60 : 6,238,167.90 = 3,670,640.20 : x
  2. Step 2: Convert to fraction form
    4,158,778.60/6,238,167.90 = 3,670,640.20/x
  3. Step 3: Cross multiply
    4,158,778.60x = 6,238,167.90 × 3,670,640.20
  4. Step 4: Simplify right side
    4,158,778.60x = 22,898,069,868,089.58
  5. Step 5: Solve for x
    x = 22,898,069,868,089.58/4,158,778.60
  6. Step 6: Final answer
    x = 5,505,960.30

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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.