Home / 2,589,366.30-3,884,049.45-991,106.70

Finding the Fourth Proportional to 2,589,366.30, 3,884,049.45 and 991,106.70

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Solution

The fourth proportional to 2,589,366.30, 3,884,049.45 and 991,106.70 is: 1,486,660.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,366.30 : 3,884,049.45 = 991,106.70 : x
  2. Step 2: Convert to fraction form
    2,589,366.30/3,884,049.45 = 991,106.70/x
  3. Step 3: Cross multiply
    2,589,366.30x = 3,884,049.45 × 991,106.70
  4. Step 4: Simplify right side
    2,589,366.30x = 3,849,507,433,026.32
  5. Step 5: Solve for x
    x = 3,849,507,433,026.32/2,589,366.30
  6. Step 6: Final answer
    x = 1,486,660.05

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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.