Home / 1,917,816.20-2,877,761.10-853,022.60

Finding the Fourth Proportional to 1,917,816.20, 2,877,761.10 and 853,022.60

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Solution

The fourth proportional to 1,917,816.20, 2,877,761.10 and 853,022.60 is: 1,279,995.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,816.20 : 2,877,761.10 = 853,022.60 : x
  2. Step 2: Convert to fraction form
    1,917,816.20/2,877,761.10 = 853,022.60/x
  3. Step 3: Cross multiply
    1,917,816.20x = 2,877,761.10 × 853,022.60
  4. Step 4: Simplify right side
    1,917,816.20x = 2,454,795,255,700.86
  5. Step 5: Solve for x
    x = 2,454,795,255,700.86/1,917,816.20
  6. Step 6: Final answer
    x = 1,279,995.06

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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.