Home / 1,591,177.87-2,195,872.02-866,072.56

Finding the Fourth Proportional to 1,591,177.87, 2,195,872.02 and 866,072.56

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Solution

The fourth proportional to 1,591,177.87, 2,195,872.02 and 866,072.56 is: 1,195,205.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,177.87 : 2,195,872.02 = 866,072.56 : x
  2. Step 2: Convert to fraction form
    1,591,177.87/2,195,872.02 = 866,072.56/x
  3. Step 3: Cross multiply
    1,591,177.87x = 2,195,872.02 × 866,072.56
  4. Step 4: Simplify right side
    1,591,177.87x = 1,901,784,501,793.77
  5. Step 5: Solve for x
    x = 1,901,784,501,793.77/1,591,177.87
  6. Step 6: Final answer
    x = 1,195,205.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.