Home / 2,919,760.80-4,378,863.60-898,000.80

Finding the Fourth Proportional to 2,919,760.80, 4,378,863.60 and 898,000.80

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Solution

The fourth proportional to 2,919,760.80, 4,378,863.60 and 898,000.80 is: 1,346,762.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,760.80 : 4,378,863.60 = 898,000.80 : x
  2. Step 2: Convert to fraction form
    2,919,760.80/4,378,863.60 = 898,000.80/x
  3. Step 3: Cross multiply
    2,919,760.80x = 4,378,863.60 × 898,000.80
  4. Step 4: Simplify right side
    2,919,760.80x = 3,932,223,015,890.88
  5. Step 5: Solve for x
    x = 3,932,223,015,890.88/2,919,760.80
  6. Step 6: Final answer
    x = 1,346,762.04

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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.