Home / 2,560,974.75-3,842,065.61-831,836.87

Finding the Fourth Proportional to 2,560,974.75, 3,842,065.61 and 831,836.87

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Solution

The fourth proportional to 2,560,974.75, 3,842,065.61 and 831,836.87 is: 1,247,951.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560,974.75 : 3,842,065.61 = 831,836.87 : x
  2. Step 2: Convert to fraction form
    2,560,974.75/3,842,065.61 = 831,836.87/x
  3. Step 3: Cross multiply
    2,560,974.75x = 3,842,065.61 × 831,836.87
  4. Step 4: Simplify right side
    2,560,974.75x = 3,195,971,807,987.53
  5. Step 5: Solve for x
    x = 3,195,971,807,987.53/2,560,974.75
  6. Step 6: Final answer
    x = 1,247,951.32

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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.