Home / 1,581,136.52-2,181,965.70-855,983.96

Finding the Fourth Proportional to 1,581,136.52, 2,181,965.70 and 855,983.96

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Solution

The fourth proportional to 1,581,136.52, 2,181,965.70 and 855,983.96 is: 1,181,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,136.52 : 2,181,965.70 = 855,983.96 : x
  2. Step 2: Convert to fraction form
    1,581,136.52/2,181,965.70 = 855,983.96/x
  3. Step 3: Cross multiply
    1,581,136.52x = 2,181,965.70 × 855,983.96
  4. Step 4: Simplify right side
    1,581,136.52x = 1,867,727,640,470.17
  5. Step 5: Solve for x
    x = 1,867,727,640,470.17/1,581,136.52
  6. Step 6: Final answer
    x = 1,181,256.40

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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.