Home / 2,949,174.74-4,070,524.92-1,929,989

Finding the Fourth Proportional to 2,949,174.74, 4,070,524.92 and 1,929,989

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Solution

The fourth proportional to 2,949,174.74, 4,070,524.92 and 1,929,989 is: 2,663,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949,174.74 : 4,070,524.92 = 1,929,989 : x
  2. Step 2: Convert to fraction form
    2,949,174.74/4,070,524.92 = 1,929,989/x
  3. Step 3: Cross multiply
    2,949,174.74x = 4,070,524.92 × 1,929,989
  4. Step 4: Simplify right side
    2,949,174.74x = 7,856,068,319,825.88
  5. Step 5: Solve for x
    x = 7,856,068,319,825.88/2,949,174.74
  6. Step 6: Final answer
    x = 2,663,819.21

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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.