Home / 1,943,451.41-2,912,436.85-917,687.25

Finding the Fourth Proportional to 1,943,451.41, 2,912,436.85 and 917,687.25

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Solution

The fourth proportional to 1,943,451.41, 2,912,436.85 and 917,687.25 is: 1,375,236.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,451.41 : 2,912,436.85 = 917,687.25 : x
  2. Step 2: Convert to fraction form
    1,943,451.41/2,912,436.85 = 917,687.25/x
  3. Step 3: Cross multiply
    1,943,451.41x = 2,912,436.85 × 917,687.25
  4. Step 4: Simplify right side
    1,943,451.41x = 2,672,706,163,675.16
  5. Step 5: Solve for x
    x = 2,672,706,163,675.16/1,943,451.41
  6. Step 6: Final answer
    x = 1,375,236.94

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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.