Home / 2,812,008.38-4,218,731.84-817,464.38

Finding the Fourth Proportional to 2,812,008.38, 4,218,731.84 and 817,464.38

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Solution

The fourth proportional to 2,812,008.38, 4,218,731.84 and 817,464.38 is: 1,226,405.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,008.38 : 4,218,731.84 = 817,464.38 : x
  2. Step 2: Convert to fraction form
    2,812,008.38/4,218,731.84 = 817,464.38/x
  3. Step 3: Cross multiply
    2,812,008.38x = 4,218,731.84 × 817,464.38
  4. Step 4: Simplify right side
    2,812,008.38x = 3,448,662,988,921.86
  5. Step 5: Solve for x
    x = 3,448,662,988,921.86/2,812,008.38
  6. Step 6: Final answer
    x = 1,226,405.66

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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.