Home / 3,819,331.92-5,270,572.80-2,100,452.40

Finding the Fourth Proportional to 3,819,331.92, 5,270,572.80 and 2,100,452.40

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Solution

The fourth proportional to 3,819,331.92, 5,270,572.80 and 2,100,452.40 is: 2,898,566.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,331.92 : 5,270,572.80 = 2,100,452.40 : x
  2. Step 2: Convert to fraction form
    3,819,331.92/5,270,572.80 = 2,100,452.40/x
  3. Step 3: Cross multiply
    3,819,331.92x = 5,270,572.80 × 2,100,452.40
  4. Step 4: Simplify right side
    3,819,331.92x = 11,070,587,287,134.72
  5. Step 5: Solve for x
    x = 11,070,587,287,134.72/3,819,331.92
  6. Step 6: Final answer
    x = 2,898,566.43

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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.