Home / 2,560,932.80-3,841,399.20-1,285,474.40

Finding the Fourth Proportional to 2,560,932.80, 3,841,399.20 and 1,285,474.40

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Solution

The fourth proportional to 2,560,932.80, 3,841,399.20 and 1,285,474.40 is: 1,928,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560,932.80 : 3,841,399.20 = 1,285,474.40 : x
  2. Step 2: Convert to fraction form
    2,560,932.80/3,841,399.20 = 1,285,474.40/x
  3. Step 3: Cross multiply
    2,560,932.80x = 3,841,399.20 × 1,285,474.40
  4. Step 4: Simplify right side
    2,560,932.80x = 4,938,020,331,780.48
  5. Step 5: Solve for x
    x = 4,938,020,331,780.48/2,560,932.80
  6. Step 6: Final answer
    x = 1,928,211.60

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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.