Home / 2,420,199.90-3,630,645.45-822,836.70

Finding the Fourth Proportional to 2,420,199.90, 3,630,645.45 and 822,836.70

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Solution

The fourth proportional to 2,420,199.90, 3,630,645.45 and 822,836.70 is: 1,234,372.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420,199.90 : 3,630,645.45 = 822,836.70 : x
  2. Step 2: Convert to fraction form
    2,420,199.90/3,630,645.45 = 822,836.70/x
  3. Step 3: Cross multiply
    2,420,199.90x = 3,630,645.45 × 822,836.70
  4. Step 4: Simplify right side
    2,420,199.90x = 2,987,428,320,948.02
  5. Step 5: Solve for x
    x = 2,987,428,320,948.02/2,420,199.90
  6. Step 6: Final answer
    x = 1,234,372.55

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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.