Home / 2,231,389.31-3,079,382.20-1,264,487.45

Finding the Fourth Proportional to 2,231,389.31, 3,079,382.20 and 1,264,487.45

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Solution

The fourth proportional to 2,231,389.31, 3,079,382.20 and 1,264,487.45 is: 1,745,029.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231,389.31 : 3,079,382.20 = 1,264,487.45 : x
  2. Step 2: Convert to fraction form
    2,231,389.31/3,079,382.20 = 1,264,487.45/x
  3. Step 3: Cross multiply
    2,231,389.31x = 3,079,382.20 × 1,264,487.45
  4. Step 4: Simplify right side
    2,231,389.31x = 3,893,840,127,095.26
  5. Step 5: Solve for x
    x = 3,893,840,127,095.26/2,231,389.31
  6. Step 6: Final answer
    x = 1,745,029.48

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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.