Home / 1,581,550.30-2,182,549.90-856,398.02

Finding the Fourth Proportional to 1,581,550.30, 2,182,549.90 and 856,398.02

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Solution

The fourth proportional to 1,581,550.30, 2,182,549.90 and 856,398.02 is: 1,181,834.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,550.30 : 2,182,549.90 = 856,398.02 : x
  2. Step 2: Convert to fraction form
    1,581,550.30/2,182,549.90 = 856,398.02/x
  3. Step 3: Cross multiply
    1,581,550.30x = 2,182,549.90 × 856,398.02
  4. Step 4: Simplify right side
    1,581,550.30x = 1,869,131,403,949.73
  5. Step 5: Solve for x
    x = 1,869,131,403,949.73/1,581,550.30
  6. Step 6: Final answer
    x = 1,181,834.94

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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.