Home / 1,581,305.29-2,181,310.46-1,000,348.18

Finding the Fourth Proportional to 1,581,305.29, 2,181,310.46 and 1,000,348.18

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Solution

The fourth proportional to 1,581,305.29, 2,181,310.46 and 1,000,348.18 is: 1,379,916.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,305.29 : 2,181,310.46 = 1,000,348.18 : x
  2. Step 2: Convert to fraction form
    1,581,305.29/2,181,310.46 = 1,000,348.18/x
  3. Step 3: Cross multiply
    1,581,305.29x = 2,181,310.46 × 1,000,348.18
  4. Step 4: Simplify right side
    1,581,305.29x = 2,182,069,941,972.25
  5. Step 5: Solve for x
    x = 2,182,069,941,972.25/1,581,305.29
  6. Step 6: Final answer
    x = 1,379,916.93

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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.