Home / 2,949,173.49-4,070,523.20-1,929,987.75

Finding the Fourth Proportional to 2,949,173.49, 4,070,523.20 and 1,929,987.75

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Solution

The fourth proportional to 2,949,173.49, 4,070,523.20 and 1,929,987.75 is: 2,663,817.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949,173.49 : 4,070,523.20 = 1,929,987.75 : x
  2. Step 2: Convert to fraction form
    2,949,173.49/4,070,523.20 = 1,929,987.75/x
  3. Step 3: Cross multiply
    2,949,173.49x = 4,070,523.20 × 1,929,987.75
  4. Step 4: Simplify right side
    2,949,173.49x = 7,856,059,902,440.86
  5. Step 5: Solve for x
    x = 7,856,059,902,440.86/2,949,173.49
  6. Step 6: Final answer
    x = 2,663,817.48

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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.