Home / 2,328,257.20-3,488,182.80-978,003.40

Finding the Fourth Proportional to 2,328,257.20, 3,488,182.80 and 978,003.40

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Solution

The fourth proportional to 2,328,257.20, 3,488,182.80 and 978,003.40 is: 1,465,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328,257.20 : 3,488,182.80 = 978,003.40 : x
  2. Step 2: Convert to fraction form
    2,328,257.20/3,488,182.80 = 978,003.40/x
  3. Step 3: Cross multiply
    2,328,257.20x = 3,488,182.80 × 978,003.40
  4. Step 4: Simplify right side
    2,328,257.20x = 3,411,454,638,221.52
  5. Step 5: Solve for x
    x = 3,411,454,638,221.52/2,328,257.20
  6. Step 6: Final answer
    x = 1,465,239.60

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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.