Home / 2,019,132.40-3,024,616.20-1,258,639.60

Finding the Fourth Proportional to 2,019,132.40, 3,024,616.20 and 1,258,639.60

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Solution

The fourth proportional to 2,019,132.40, 3,024,616.20 and 1,258,639.60 is: 1,885,414.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,132.40 : 3,024,616.20 = 1,258,639.60 : x
  2. Step 2: Convert to fraction form
    2,019,132.40/3,024,616.20 = 1,258,639.60/x
  3. Step 3: Cross multiply
    2,019,132.40x = 3,024,616.20 × 1,258,639.60
  4. Step 4: Simplify right side
    2,019,132.40x = 3,806,901,724,121.52
  5. Step 5: Solve for x
    x = 3,806,901,724,121.52/2,019,132.40
  6. Step 6: Final answer
    x = 1,885,414.61

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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.