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Finding the Fourth Proportional to 2,674,407.13, 3,687,890.52 and 1,586,468.52

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Solution

The fourth proportional to 2,674,407.13, 3,687,890.52 and 1,586,468.52 is: 2,187,670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674,407.13 : 3,687,890.52 = 1,586,468.52 : x
  2. Step 2: Convert to fraction form
    2,674,407.13/3,687,890.52 = 1,586,468.52/x
  3. Step 3: Cross multiply
    2,674,407.13x = 3,687,890.52 × 1,586,468.52
  4. Step 4: Simplify right side
    2,674,407.13x = 5,850,722,215,186.43
  5. Step 5: Solve for x
    x = 5,850,722,215,186.43/2,674,407.13
  6. Step 6: Final answer
    x = 2,187,670.74

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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.