Home / 1,581,342.42-2,182,243.30-856,174.92

Finding the Fourth Proportional to 1,581,342.42, 2,182,243.30 and 856,174.92

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Solution

The fourth proportional to 1,581,342.42, 2,182,243.30 and 856,174.92 is: 1,181,516.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,342.42 : 2,182,243.30 = 856,174.92 : x
  2. Step 2: Convert to fraction form
    1,581,342.42/2,182,243.30 = 856,174.92/x
  3. Step 3: Cross multiply
    1,581,342.42x = 2,182,243.30 × 856,174.92
  4. Step 4: Simplify right side
    1,581,342.42x = 1,868,381,982,798.04
  5. Step 5: Solve for x
    x = 1,868,381,982,798.04/1,581,342.42
  6. Step 6: Final answer
    x = 1,181,516.39

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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.