Home / 2,931,204.20-4,396,806.30-1,923,434.60

Finding the Fourth Proportional to 2,931,204.20, 4,396,806.30 and 1,923,434.60

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Solution

The fourth proportional to 2,931,204.20, 4,396,806.30 and 1,923,434.60 is: 2,885,151.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,204.20 : 4,396,806.30 = 1,923,434.60 : x
  2. Step 2: Convert to fraction form
    2,931,204.20/4,396,806.30 = 1,923,434.60/x
  3. Step 3: Cross multiply
    2,931,204.20x = 4,396,806.30 × 1,923,434.60
  4. Step 4: Simplify right side
    2,931,204.20x = 8,456,969,366,917.98
  5. Step 5: Solve for x
    x = 8,456,969,366,917.98/2,931,204.20
  6. Step 6: Final answer
    x = 2,885,151.90

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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.