Home / 3,149,127.40-4,723,691.10-874,647.40

Finding the Fourth Proportional to 3,149,127.40, 4,723,691.10 and 874,647.40

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Solution

The fourth proportional to 3,149,127.40, 4,723,691.10 and 874,647.40 is: 1,311,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,127.40 : 4,723,691.10 = 874,647.40 : x
  2. Step 2: Convert to fraction form
    3,149,127.40/4,723,691.10 = 874,647.40/x
  3. Step 3: Cross multiply
    3,149,127.40x = 4,723,691.10 × 874,647.40
  4. Step 4: Simplify right side
    3,149,127.40x = 4,131,564,139,018.14
  5. Step 5: Solve for x
    x = 4,131,564,139,018.14/3,149,127.40
  6. Step 6: Final answer
    x = 1,311,971.10

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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.