Home / 2,659,891.20-3,989,059.20-953,836.80

Finding the Fourth Proportional to 2,659,891.20, 3,989,059.20 and 953,836.80

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Solution

The fourth proportional to 2,659,891.20, 3,989,059.20 and 953,836.80 is: 1,430,476.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,891.20 : 3,989,059.20 = 953,836.80 : x
  2. Step 2: Convert to fraction form
    2,659,891.20/3,989,059.20 = 953,836.80/x
  3. Step 3: Cross multiply
    2,659,891.20x = 3,989,059.20 × 953,836.80
  4. Step 4: Simplify right side
    2,659,891.20x = 3,804,911,462,338.56
  5. Step 5: Solve for x
    x = 3,804,911,462,338.56/2,659,891.20
  6. Step 6: Final answer
    x = 1,430,476.35

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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.