Home / 4,128,276.88-6,182,987.50-1,970,819.64

Finding the Fourth Proportional to 4,128,276.88, 6,182,987.50 and 1,970,819.64

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Solution

The fourth proportional to 4,128,276.88, 6,182,987.50 and 1,970,819.64 is: 2,951,728.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128,276.88 : 6,182,987.50 = 1,970,819.64 : x
  2. Step 2: Convert to fraction form
    4,128,276.88/6,182,987.50 = 1,970,819.64/x
  3. Step 3: Cross multiply
    4,128,276.88x = 6,182,987.50 × 1,970,819.64
  4. Step 4: Simplify right side
    4,128,276.88x = 12,185,553,198,874.50
  5. Step 5: Solve for x
    x = 12,185,553,198,874.50/4,128,276.88
  6. Step 6: Final answer
    x = 2,951,728.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.