Home / 1,991,036.85-2,750,335.53-1,560,884.92

Finding the Fourth Proportional to 1,991,036.85, 2,750,335.53 and 1,560,884.92

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Solution

The fourth proportional to 1,991,036.85, 2,750,335.53 and 1,560,884.92 is: 2,156,141.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,036.85 : 2,750,335.53 = 1,560,884.92 : x
  2. Step 2: Convert to fraction form
    1,991,036.85/2,750,335.53 = 1,560,884.92/x
  3. Step 3: Cross multiply
    1,991,036.85x = 2,750,335.53 × 1,560,884.92
  4. Step 4: Simplify right side
    1,991,036.85x = 4,292,957,253,717.21
  5. Step 5: Solve for x
    x = 4,292,957,253,717.21/1,991,036.85
  6. Step 6: Final answer
    x = 2,156,141.54

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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.