Home / 2,755,705.96-4,131,328.36-861,472.36

Finding the Fourth Proportional to 2,755,705.96, 4,131,328.36 and 861,472.36

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Solution

The fourth proportional to 2,755,705.96, 4,131,328.36 and 861,472.36 is: 1,291,511.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755,705.96 : 4,131,328.36 = 861,472.36 : x
  2. Step 2: Convert to fraction form
    2,755,705.96/4,131,328.36 = 861,472.36/x
  3. Step 3: Cross multiply
    2,755,705.96x = 4,131,328.36 × 861,472.36
  4. Step 4: Simplify right side
    2,755,705.96x = 3,559,025,192,224.13
  5. Step 5: Solve for x
    x = 3,559,025,192,224.13/2,755,705.96
  6. Step 6: Final answer
    x = 1,291,511.23

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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.