Home / 2,221,304.32-3,331,926.96-538,422.40

Finding the Fourth Proportional to 2,221,304.32, 3,331,926.96 and 538,422.40

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Solution

The fourth proportional to 2,221,304.32, 3,331,926.96 and 538,422.40 is: 807,626.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,304.32 : 3,331,926.96 = 538,422.40 : x
  2. Step 2: Convert to fraction form
    2,221,304.32/3,331,926.96 = 538,422.40/x
  3. Step 3: Cross multiply
    2,221,304.32x = 3,331,926.96 × 538,422.40
  4. Step 4: Simplify right side
    2,221,304.32x = 1,793,984,110,427.90
  5. Step 5: Solve for x
    x = 1,793,984,110,427.90/2,221,304.32
  6. Step 6: Final answer
    x = 807,626.44

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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.