Home / 1,581,214.72-2,182,061.04-856,043.92

Finding the Fourth Proportional to 1,581,214.72, 2,182,061.04 and 856,043.92

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Solution

The fourth proportional to 1,581,214.72, 2,182,061.04 and 856,043.92 is: 1,181,332.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,214.72 : 2,182,061.04 = 856,043.92 : x
  2. Step 2: Convert to fraction form
    1,581,214.72/2,182,061.04 = 856,043.92/x
  3. Step 3: Cross multiply
    1,581,214.72x = 2,182,061.04 × 856,043.92
  4. Step 4: Simplify right side
    1,581,214.72x = 1,867,940,086,360.88
  5. Step 5: Solve for x
    x = 1,867,940,086,360.88/1,581,214.72
  6. Step 6: Final answer
    x = 1,181,332.34

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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.