Home / 2,956,979.40-4,435,469.10-1,274,082.90

Finding the Fourth Proportional to 2,956,979.40, 4,435,469.10 and 1,274,082.90

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Solution

The fourth proportional to 2,956,979.40, 4,435,469.10 and 1,274,082.90 is: 1,911,124.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956,979.40 : 4,435,469.10 = 1,274,082.90 : x
  2. Step 2: Convert to fraction form
    2,956,979.40/4,435,469.10 = 1,274,082.90/x
  3. Step 3: Cross multiply
    2,956,979.40x = 4,435,469.10 × 1,274,082.90
  4. Step 4: Simplify right side
    2,956,979.40x = 5,651,155,333,788.39
  5. Step 5: Solve for x
    x = 5,651,155,333,788.39/2,956,979.40
  6. Step 6: Final answer
    x = 1,911,124.35

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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.