Home / 2,734,243.20-4,101,559.20-840,981.60

Finding the Fourth Proportional to 2,734,243.20, 4,101,559.20 and 840,981.60

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Solution

The fourth proportional to 2,734,243.20, 4,101,559.20 and 840,981.60 is: 1,261,532.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734,243.20 : 4,101,559.20 = 840,981.60 : x
  2. Step 2: Convert to fraction form
    2,734,243.20/4,101,559.20 = 840,981.60/x
  3. Step 3: Cross multiply
    2,734,243.20x = 4,101,559.20 × 840,981.60
  4. Step 4: Simplify right side
    2,734,243.20x = 3,449,335,818,510.72
  5. Step 5: Solve for x
    x = 3,449,335,818,510.72/2,734,243.20
  6. Step 6: Final answer
    x = 1,261,532.19

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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.