Home / 2,187,453.79-3,281,691.03-748,148.37

Finding the Fourth Proportional to 2,187,453.79, 3,281,691.03 and 748,148.37

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Solution

The fourth proportional to 2,187,453.79, 3,281,691.03 and 748,148.37 is: 1,122,397.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,453.79 : 3,281,691.03 = 748,148.37 : x
  2. Step 2: Convert to fraction form
    2,187,453.79/3,281,691.03 = 748,148.37/x
  3. Step 3: Cross multiply
    2,187,453.79x = 3,281,691.03 × 748,148.37
  4. Step 4: Simplify right side
    2,187,453.79x = 2,455,191,778,529.67
  5. Step 5: Solve for x
    x = 2,455,191,778,529.67/2,187,453.79
  6. Step 6: Final answer
    x = 1,122,397.09

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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.