Home / 2,178,182.97-3,267,479.34-641,179.40

Finding the Fourth Proportional to 2,178,182.97, 3,267,479.34 and 641,179.40

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Solution

The fourth proportional to 2,178,182.97, 3,267,479.34 and 641,179.40 is: 961,829.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,182.97 : 3,267,479.34 = 641,179.40 : x
  2. Step 2: Convert to fraction form
    2,178,182.97/3,267,479.34 = 641,179.40/x
  3. Step 3: Cross multiply
    2,178,182.97x = 3,267,479.34 × 641,179.40
  4. Step 4: Simplify right side
    2,178,182.97x = 2,095,040,426,396.20
  5. Step 5: Solve for x
    x = 2,095,040,426,396.20/2,178,182.97
  6. Step 6: Final answer
    x = 961,829.40

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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.