Home / 2,878,605-3,972,824.82-1,671,381

Finding the Fourth Proportional to 2,878,605, 3,972,824.82 and 1,671,381

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Solution

The fourth proportional to 2,878,605, 3,972,824.82 and 1,671,381 is: 2,306,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,605 : 3,972,824.82 = 1,671,381 : x
  2. Step 2: Convert to fraction form
    2,878,605/3,972,824.82 = 1,671,381/x
  3. Step 3: Cross multiply
    2,878,605x = 3,972,824.82 × 1,671,381
  4. Step 4: Simplify right side
    2,878,605x = 6,640,103,920,476.42
  5. Step 5: Solve for x
    x = 6,640,103,920,476.42/2,878,605
  6. Step 6: Final answer
    x = 2,306,708.95

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