Home / 1,969,720.20-2,717,750.88-1,195,333.56

Finding the Fourth Proportional to 1,969,720.20, 2,717,750.88 and 1,195,333.56

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Solution

The fourth proportional to 1,969,720.20, 2,717,750.88 and 1,195,333.56 is: 1,649,279.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,720.20 : 2,717,750.88 = 1,195,333.56 : x
  2. Step 2: Convert to fraction form
    1,969,720.20/2,717,750.88 = 1,195,333.56/x
  3. Step 3: Cross multiply
    1,969,720.20x = 2,717,750.88 × 1,195,333.56
  4. Step 4: Simplify right side
    1,969,720.20x = 3,248,618,834,583.53
  5. Step 5: Solve for x
    x = 3,248,618,834,583.53/1,969,720.20
  6. Step 6: Final answer
    x = 1,649,279.34

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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.