Home / 2,591,838.80-3,887,758.20-1,645,888.40

Finding the Fourth Proportional to 2,591,838.80, 3,887,758.20 and 1,645,888.40

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Solution

The fourth proportional to 2,591,838.80, 3,887,758.20 and 1,645,888.40 is: 2,468,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591,838.80 : 3,887,758.20 = 1,645,888.40 : x
  2. Step 2: Convert to fraction form
    2,591,838.80/3,887,758.20 = 1,645,888.40/x
  3. Step 3: Cross multiply
    2,591,838.80x = 3,887,758.20 × 1,645,888.40
  4. Step 4: Simplify right side
    2,591,838.80x = 6,398,816,123,384.88
  5. Step 5: Solve for x
    x = 6,398,816,123,384.88/2,591,838.80
  6. Step 6: Final answer
    x = 2,468,832.60

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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.