Home / 2,306,308.14-3,182,902.02-1,287,909.72

Finding the Fourth Proportional to 2,306,308.14, 3,182,902.02 and 1,287,909.72

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Solution

The fourth proportional to 2,306,308.14, 3,182,902.02 and 1,287,909.72 is: 1,777,425.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306,308.14 : 3,182,902.02 = 1,287,909.72 : x
  2. Step 2: Convert to fraction form
    2,306,308.14/3,182,902.02 = 1,287,909.72/x
  3. Step 3: Cross multiply
    2,306,308.14x = 3,182,902.02 × 1,287,909.72
  4. Step 4: Simplify right side
    2,306,308.14x = 4,099,290,449,365.63
  5. Step 5: Solve for x
    x = 4,099,290,449,365.63/2,306,308.14
  6. Step 6: Final answer
    x = 1,777,425.31

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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.