Home / 3,138,221.30-4,707,331.96-1,543,898.30

Finding the Fourth Proportional to 3,138,221.30, 4,707,331.96 and 1,543,898.30

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Solution

The fourth proportional to 3,138,221.30, 4,707,331.96 and 1,543,898.30 is: 2,315,847.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,221.30 : 4,707,331.96 = 1,543,898.30 : x
  2. Step 2: Convert to fraction form
    3,138,221.30/4,707,331.96 = 1,543,898.30/x
  3. Step 3: Cross multiply
    3,138,221.30x = 4,707,331.96 × 1,543,898.30
  4. Step 4: Simplify right side
    3,138,221.30x = 7,267,641,810,579.67
  5. Step 5: Solve for x
    x = 7,267,641,810,579.67/3,138,221.30
  6. Step 6: Final answer
    x = 2,315,847.45

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Double scale
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Similar ratio
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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.