Home / 2,103,924.20-2,902,731.68-1,287,276.52

Finding the Fourth Proportional to 2,103,924.20, 2,902,731.68 and 1,287,276.52

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Solution

The fourth proportional to 2,103,924.20, 2,902,731.68 and 1,287,276.52 is: 1,776,023.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,924.20 : 2,902,731.68 = 1,287,276.52 : x
  2. Step 2: Convert to fraction form
    2,103,924.20/2,902,731.68 = 1,287,276.52/x
  3. Step 3: Cross multiply
    2,103,924.20x = 2,902,731.68 × 1,287,276.52
  4. Step 4: Simplify right side
    2,103,924.20x = 3,736,618,335,524.15
  5. Step 5: Solve for x
    x = 3,736,618,335,524.15/2,103,924.20
  6. Step 6: Final answer
    x = 1,776,023.27

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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.