Home / 2,257,542.30-3,386,830.56-978,364.50

Finding the Fourth Proportional to 2,257,542.30, 3,386,830.56 and 978,364.50

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Solution

The fourth proportional to 2,257,542.30, 3,386,830.56 and 978,364.50 is: 1,467,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,542.30 : 3,386,830.56 = 978,364.50 : x
  2. Step 2: Convert to fraction form
    2,257,542.30/3,386,830.56 = 978,364.50/x
  3. Step 3: Cross multiply
    2,257,542.30x = 3,386,830.56 × 978,364.50
  4. Step 4: Simplify right side
    2,257,542.30x = 3,313,554,787,419.12
  5. Step 5: Solve for x
    x = 3,313,554,787,419.12/2,257,542.30
  6. Step 6: Final answer
    x = 1,467,770.85

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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.