Home / 5,154,478.20-7,113,743.91-2,949,544.80

Finding the Fourth Proportional to 5,154,478.20, 7,113,743.91 and 2,949,544.80

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Solution

The fourth proportional to 5,154,478.20, 7,113,743.91 and 2,949,544.80 is: 4,070,694.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154,478.20 : 7,113,743.91 = 2,949,544.80 : x
  2. Step 2: Convert to fraction form
    5,154,478.20/7,113,743.91 = 2,949,544.80/x
  3. Step 3: Cross multiply
    5,154,478.20x = 7,113,743.91 × 2,949,544.80
  4. Step 4: Simplify right side
    5,154,478.20x = 20,982,306,358,272.17
  5. Step 5: Solve for x
    x = 20,982,306,358,272.17/5,154,478.20
  6. Step 6: Final answer
    x = 4,070,694.56

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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.