Home / 3,288,679.47-4,539,109.52-1,999,245.87

Finding the Fourth Proportional to 3,288,679.47, 4,539,109.52 and 1,999,245.87

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Solution

The fourth proportional to 3,288,679.47, 4,539,109.52 and 1,999,245.87 is: 2,759,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288,679.47 : 4,539,109.52 = 1,999,245.87 : x
  2. Step 2: Convert to fraction form
    3,288,679.47/4,539,109.52 = 1,999,245.87/x
  3. Step 3: Cross multiply
    3,288,679.47x = 4,539,109.52 × 1,999,245.87
  4. Step 4: Simplify right side
    3,288,679.47x = 9,074,795,951,341.45
  5. Step 5: Solve for x
    x = 9,074,795,951,341.45/3,288,679.47
  6. Step 6: Final answer
    x = 2,759,404.20

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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.