Home / 1,591,193.88-2,194,855.95-970,715.55

Finding the Fourth Proportional to 1,591,193.88, 2,194,855.95 and 970,715.55

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Solution

The fourth proportional to 1,591,193.88, 2,194,855.95 and 970,715.55 is: 1,338,982.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,193.88 : 2,194,855.95 = 970,715.55 : x
  2. Step 2: Convert to fraction form
    1,591,193.88/2,194,855.95 = 970,715.55/x
  3. Step 3: Cross multiply
    1,591,193.88x = 2,194,855.95 × 970,715.55
  4. Step 4: Simplify right side
    1,591,193.88x = 2,130,580,800,675.02
  5. Step 5: Solve for x
    x = 2,130,580,800,675.02/1,591,193.88
  6. Step 6: Final answer
    x = 1,338,982.53

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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.