Home / 2,979,931.40-4,469,897.10-1,560,422.60

Finding the Fourth Proportional to 2,979,931.40, 4,469,897.10 and 1,560,422.60

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Solution

The fourth proportional to 2,979,931.40, 4,469,897.10 and 1,560,422.60 is: 2,340,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,931.40 : 4,469,897.10 = 1,560,422.60 : x
  2. Step 2: Convert to fraction form
    2,979,931.40/4,469,897.10 = 1,560,422.60/x
  3. Step 3: Cross multiply
    2,979,931.40x = 4,469,897.10 × 1,560,422.60
  4. Step 4: Simplify right side
    2,979,931.40x = 6,974,928,454,514.46
  5. Step 5: Solve for x
    x = 6,974,928,454,514.46/2,979,931.40
  6. Step 6: Final answer
    x = 2,340,633.90

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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.