Home / 2,542,865.80-3,509,137.92-1,381,301.50

Finding the Fourth Proportional to 2,542,865.80, 3,509,137.92 and 1,381,301.50

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Solution

The fourth proportional to 2,542,865.80, 3,509,137.92 and 1,381,301.50 is: 1,906,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542,865.80 : 3,509,137.92 = 1,381,301.50 : x
  2. Step 2: Convert to fraction form
    2,542,865.80/3,509,137.92 = 1,381,301.50/x
  3. Step 3: Cross multiply
    2,542,865.80x = 3,509,137.92 × 1,381,301.50
  4. Step 4: Simplify right side
    2,542,865.80x = 4,847,177,472,602.88
  5. Step 5: Solve for x
    x = 4,847,177,472,602.88/2,542,865.80
  6. Step 6: Final answer
    x = 1,906,186.90

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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.