Home / 2,124,346.92-3,187,849.01-862,174.54

Finding the Fourth Proportional to 2,124,346.92, 3,187,849.01 and 862,174.54

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Solution

The fourth proportional to 2,124,346.92, 3,187,849.01 and 862,174.54 is: 1,293,801.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,346.92 : 3,187,849.01 = 862,174.54 : x
  2. Step 2: Convert to fraction form
    2,124,346.92/3,187,849.01 = 862,174.54/x
  3. Step 3: Cross multiply
    2,124,346.92x = 3,187,849.01 × 862,174.54
  4. Step 4: Simplify right side
    2,124,346.92x = 2,748,482,249,475.33
  5. Step 5: Solve for x
    x = 2,748,482,249,475.33/2,124,346.92
  6. Step 6: Final answer
    x = 1,293,801.04

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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.