Home / 2,221,272.40-3,331,908.63-538,375.90

Finding the Fourth Proportional to 2,221,272.40, 3,331,908.63 and 538,375.90

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Solution

The fourth proportional to 2,221,272.40, 3,331,908.63 and 538,375.90 is: 807,563.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,272.40 : 3,331,908.63 = 538,375.90 : x
  2. Step 2: Convert to fraction form
    2,221,272.40/3,331,908.63 = 538,375.90/x
  3. Step 3: Cross multiply
    2,221,272.40x = 3,331,908.63 × 538,375.90
  4. Step 4: Simplify right side
    2,221,272.40x = 1,793,819,307,394.02
  5. Step 5: Solve for x
    x = 1,793,819,307,394.02/2,221,272.40
  6. Step 6: Final answer
    x = 807,563.86

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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.