Home / 3,986,443.40-5,979,665.10-3,962,823.80

Finding the Fourth Proportional to 3,986,443.40, 5,979,665.10 and 3,962,823.80

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Solution

The fourth proportional to 3,986,443.40, 5,979,665.10 and 3,962,823.80 is: 5,944,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,443.40 : 5,979,665.10 = 3,962,823.80 : x
  2. Step 2: Convert to fraction form
    3,986,443.40/5,979,665.10 = 3,962,823.80/x
  3. Step 3: Cross multiply
    3,986,443.40x = 5,979,665.10 × 3,962,823.80
  4. Step 4: Simplify right side
    3,986,443.40x = 23,696,359,174,309.38
  5. Step 5: Solve for x
    x = 23,696,359,174,309.38/3,986,443.40
  6. Step 6: Final answer
    x = 5,944,235.70

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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.