Home / 3,138,390.88-4,707,586.38-894,470.56

Finding the Fourth Proportional to 3,138,390.88, 4,707,586.38 and 894,470.56

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Solution

The fourth proportional to 3,138,390.88, 4,707,586.38 and 894,470.56 is: 1,341,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,390.88 : 4,707,586.38 = 894,470.56 : x
  2. Step 2: Convert to fraction form
    3,138,390.88/4,707,586.38 = 894,470.56/x
  3. Step 3: Cross multiply
    3,138,390.88x = 4,707,586.38 × 894,470.56
  4. Step 4: Simplify right side
    3,138,390.88x = 4,210,797,425,566.97
  5. Step 5: Solve for x
    x = 4,210,797,425,566.97/3,138,390.88
  6. Step 6: Final answer
    x = 1,341,705.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.