Home / 1,722,161.32-2,581,955.16-1,188,158.56

Finding the Fourth Proportional to 1,722,161.32, 2,581,955.16 and 1,188,158.56

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Solution

The fourth proportional to 1,722,161.32, 2,581,955.16 and 1,188,158.56 is: 1,781,350.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722,161.32 : 2,581,955.16 = 1,188,158.56 : x
  2. Step 2: Convert to fraction form
    1,722,161.32/2,581,955.16 = 1,188,158.56/x
  3. Step 3: Cross multiply
    1,722,161.32x = 2,581,955.16 × 1,188,158.56
  4. Step 4: Simplify right side
    1,722,161.32x = 3,067,772,124,890.17
  5. Step 5: Solve for x
    x = 3,067,772,124,890.17/1,722,161.32
  6. Step 6: Final answer
    x = 1,781,350.03

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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.