Home / 2,812,008-4,218,731.28-817,464

Finding the Fourth Proportional to 2,812,008, 4,218,731.28 and 817,464

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Solution

The fourth proportional to 2,812,008, 4,218,731.28 and 817,464 is: 1,226,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,008 : 4,218,731.28 = 817,464 : x
  2. Step 2: Convert to fraction form
    2,812,008/4,218,731.28 = 817,464/x
  3. Step 3: Cross multiply
    2,812,008x = 4,218,731.28 × 817,464
  4. Step 4: Simplify right side
    2,812,008x = 3,448,660,947,073.92
  5. Step 5: Solve for x
    x = 3,448,660,947,073.92/2,812,008
  6. Step 6: Final answer
    x = 1,226,405.10

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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.