Home / 3,537,542.20-5,306,313.30-978,752.20

Finding the Fourth Proportional to 3,537,542.20, 5,306,313.30 and 978,752.20

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Solution

The fourth proportional to 3,537,542.20, 5,306,313.30 and 978,752.20 is: 1,468,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537,542.20 : 5,306,313.30 = 978,752.20 : x
  2. Step 2: Convert to fraction form
    3,537,542.20/5,306,313.30 = 978,752.20/x
  3. Step 3: Cross multiply
    3,537,542.20x = 5,306,313.30 × 978,752.20
  4. Step 4: Simplify right side
    3,537,542.20x = 5,193,565,816,264.26
  5. Step 5: Solve for x
    x = 5,193,565,816,264.26/3,537,542.20
  6. Step 6: Final answer
    x = 1,468,128.30

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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.