Home / 1,969,622.14-2,954,434.02-1,520,998.78

Finding the Fourth Proportional to 1,969,622.14, 2,954,434.02 and 1,520,998.78

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Solution

The fourth proportional to 1,969,622.14, 2,954,434.02 and 1,520,998.78 is: 2,281,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,622.14 : 2,954,434.02 = 1,520,998.78 : x
  2. Step 2: Convert to fraction form
    1,969,622.14/2,954,434.02 = 1,520,998.78/x
  3. Step 3: Cross multiply
    1,969,622.14x = 2,954,434.02 × 1,520,998.78
  4. Step 4: Simplify right side
    1,969,622.14x = 4,493,690,540,010.50
  5. Step 5: Solve for x
    x = 4,493,690,540,010.50/1,969,622.14
  6. Step 6: Final answer
    x = 2,281,498.80

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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.