Home / 3,927,856.68-5,420,357.10-2,274,073.56

Finding the Fourth Proportional to 3,927,856.68, 5,420,357.10 and 2,274,073.56

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Solution

The fourth proportional to 3,927,856.68, 5,420,357.10 and 2,274,073.56 is: 3,138,172.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927,856.68 : 5,420,357.10 = 2,274,073.56 : x
  2. Step 2: Convert to fraction form
    3,927,856.68/5,420,357.10 = 2,274,073.56/x
  3. Step 3: Cross multiply
    3,927,856.68x = 5,420,357.10 × 2,274,073.56
  4. Step 4: Simplify right side
    3,927,856.68x = 12,326,290,766,868.28
  5. Step 5: Solve for x
    x = 12,326,290,766,868.28/3,927,856.68
  6. Step 6: Final answer
    x = 3,138,172.23

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Why These Related Problems?

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