Home / 3,138,214.30-4,707,321.46-1,543,891.30

Finding the Fourth Proportional to 3,138,214.30, 4,707,321.46 and 1,543,891.30

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Solution

The fourth proportional to 3,138,214.30, 4,707,321.46 and 1,543,891.30 is: 2,315,836.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,214.30 : 4,707,321.46 = 1,543,891.30 : x
  2. Step 2: Convert to fraction form
    3,138,214.30/4,707,321.46 = 1,543,891.30/x
  3. Step 3: Cross multiply
    3,138,214.30x = 4,707,321.46 × 1,543,891.30
  4. Step 4: Simplify right side
    3,138,214.30x = 7,267,592,648,397.30
  5. Step 5: Solve for x
    x = 7,267,592,648,397.30/3,138,214.30
  6. Step 6: Final answer
    x = 2,315,836.95

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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.