Home / 2,557,882.47-3,834,554.21-938,278.76

Finding the Fourth Proportional to 2,557,882.47, 3,834,554.21 and 938,278.76

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Solution

The fourth proportional to 2,557,882.47, 3,834,554.21 and 938,278.76 is: 1,406,585.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557,882.47 : 3,834,554.21 = 938,278.76 : x
  2. Step 2: Convert to fraction form
    2,557,882.47/3,834,554.21 = 938,278.76/x
  3. Step 3: Cross multiply
    2,557,882.47x = 3,834,554.21 × 938,278.76
  4. Step 4: Simplify right side
    2,557,882.47x = 3,597,880,781,243.66
  5. Step 5: Solve for x
    x = 3,597,880,781,243.66/2,557,882.47
  6. Step 6: Final answer
    x = 1,406,585.65

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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.