Home / 3,866,372.28-5,335,445.34-2,147,602.68

Finding the Fourth Proportional to 3,866,372.28, 5,335,445.34 and 2,147,602.68

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Solution

The fourth proportional to 3,866,372.28, 5,335,445.34 and 2,147,602.68 is: 2,963,609.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866,372.28 : 5,335,445.34 = 2,147,602.68 : x
  2. Step 2: Convert to fraction form
    3,866,372.28/5,335,445.34 = 2,147,602.68/x
  3. Step 3: Cross multiply
    3,866,372.28x = 5,335,445.34 × 2,147,602.68
  4. Step 4: Simplify right side
    3,866,372.28x = 11,458,416,711,177.51
  5. Step 5: Solve for x
    x = 11,458,416,711,177.51/3,866,372.28
  6. Step 6: Final answer
    x = 2,963,609.27

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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.