Home / 3,630,158.20-5,009,428.12-1,998,246.82

Finding the Fourth Proportional to 3,630,158.20, 5,009,428.12 and 1,998,246.82

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Solution

The fourth proportional to 3,630,158.20, 5,009,428.12 and 1,998,246.82 is: 2,757,475.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630,158.20 : 5,009,428.12 = 1,998,246.82 : x
  2. Step 2: Convert to fraction form
    3,630,158.20/5,009,428.12 = 1,998,246.82/x
  3. Step 3: Cross multiply
    3,630,158.20x = 5,009,428.12 × 1,998,246.82
  4. Step 4: Simplify right side
    3,630,158.20x = 10,010,073,806,428.78
  5. Step 5: Solve for x
    x = 10,010,073,806,428.78/3,630,158.20
  6. Step 6: Final answer
    x = 2,757,475.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.