Home / 3,258,177.80-4,887,266.70-1,982,719.40

Finding the Fourth Proportional to 3,258,177.80, 4,887,266.70 and 1,982,719.40

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Solution

The fourth proportional to 3,258,177.80, 4,887,266.70 and 1,982,719.40 is: 2,974,079.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258,177.80 : 4,887,266.70 = 1,982,719.40 : x
  2. Step 2: Convert to fraction form
    3,258,177.80/4,887,266.70 = 1,982,719.40/x
  3. Step 3: Cross multiply
    3,258,177.80x = 4,887,266.70 × 1,982,719.40
  4. Step 4: Simplify right side
    3,258,177.80x = 9,690,078,499,063.98
  5. Step 5: Solve for x
    x = 9,690,078,499,063.98/3,258,177.80
  6. Step 6: Final answer
    x = 2,974,079.10

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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.