Home / 2,221,215.47-3,331,823.25-538,318.97

Finding the Fourth Proportional to 2,221,215.47, 3,331,823.25 and 538,318.97

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Solution

The fourth proportional to 2,221,215.47, 3,331,823.25 and 538,318.97 is: 807,478.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,215.47 : 3,331,823.25 = 538,318.97 : x
  2. Step 2: Convert to fraction form
    2,221,215.47/3,331,823.25 = 538,318.97/x
  3. Step 3: Cross multiply
    2,221,215.47x = 3,331,823.25 × 538,318.97
  4. Step 4: Simplify right side
    2,221,215.47x = 1,793,583,643,502.94
  5. Step 5: Solve for x
    x = 1,793,583,643,502.94/2,221,215.47
  6. Step 6: Final answer
    x = 807,478.46

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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.