Home / 2,425,909.40-3,638,864.10-628,778.60

Finding the Fourth Proportional to 2,425,909.40, 3,638,864.10 and 628,778.60

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Solution

The fourth proportional to 2,425,909.40, 3,638,864.10 and 628,778.60 is: 943,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425,909.40 : 3,638,864.10 = 628,778.60 : x
  2. Step 2: Convert to fraction form
    2,425,909.40/3,638,864.10 = 628,778.60/x
  3. Step 3: Cross multiply
    2,425,909.40x = 3,638,864.10 × 628,778.60
  4. Step 4: Simplify right side
    2,425,909.40x = 2,288,039,874,388.26
  5. Step 5: Solve for x
    x = 2,288,039,874,388.26/2,425,909.40
  6. Step 6: Final answer
    x = 943,167.90

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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.