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Finding the Fourth Proportional to 2,671,428, 4,007,375.28 and 676,884

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Solution

The fourth proportional to 2,671,428, 4,007,375.28 and 676,884 is: 1,015,385.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671,428 : 4,007,375.28 = 676,884 : x
  2. Step 2: Convert to fraction form
    2,671,428/4,007,375.28 = 676,884/x
  3. Step 3: Cross multiply
    2,671,428x = 4,007,375.28 × 676,884
  4. Step 4: Simplify right side
    2,671,428x = 2,712,528,209,027.52
  5. Step 5: Solve for x
    x = 2,712,528,209,027.52/2,671,428
  6. Step 6: Final answer
    x = 1,015,385.11

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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.