Home / 2,855,489.20-3,940,575.10-1,566,332.67

Finding the Fourth Proportional to 2,855,489.20, 3,940,575.10 and 1,566,332.67

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Solution

The fourth proportional to 2,855,489.20, 3,940,575.10 and 1,566,332.67 is: 2,161,539.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855,489.20 : 3,940,575.10 = 1,566,332.67 : x
  2. Step 2: Convert to fraction form
    2,855,489.20/3,940,575.10 = 1,566,332.67/x
  3. Step 3: Cross multiply
    2,855,489.20x = 3,940,575.10 × 1,566,332.67
  4. Step 4: Simplify right side
    2,855,489.20x = 6,172,251,499,736.55
  5. Step 5: Solve for x
    x = 6,172,251,499,736.55/2,855,489.20
  6. Step 6: Final answer
    x = 2,161,539.08

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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.