Home / 2,231,389.56-3,079,382.54-1,264,487.70

Finding the Fourth Proportional to 2,231,389.56, 3,079,382.54 and 1,264,487.70

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Solution

The fourth proportional to 2,231,389.56, 3,079,382.54 and 1,264,487.70 is: 1,745,029.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231,389.56 : 3,079,382.54 = 1,264,487.70 : x
  2. Step 2: Convert to fraction form
    2,231,389.56/3,079,382.54 = 1,264,487.70/x
  3. Step 3: Cross multiply
    2,231,389.56x = 3,079,382.54 × 1,264,487.70
  4. Step 4: Simplify right side
    2,231,389.56x = 3,893,841,345,424.76
  5. Step 5: Solve for x
    x = 3,893,841,345,424.76/2,231,389.56
  6. Step 6: Final answer
    x = 1,745,029.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.