Home / 1,581,343.41-2,182,244.67-856,175.91

Finding the Fourth Proportional to 1,581,343.41, 2,182,244.67 and 856,175.91

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Solution

The fourth proportional to 1,581,343.41, 2,182,244.67 and 856,175.91 is: 1,181,517.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,343.41 : 2,182,244.67 = 856,175.91 : x
  2. Step 2: Convert to fraction form
    1,581,343.41/2,182,244.67 = 856,175.91/x
  3. Step 3: Cross multiply
    1,581,343.41x = 2,182,244.67 × 856,175.91
  4. Step 4: Simplify right side
    1,581,343.41x = 1,868,385,316,179.90
  5. Step 5: Solve for x
    x = 1,868,385,316,179.90/1,581,343.41
  6. Step 6: Final answer
    x = 1,181,517.76

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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.