Home / 3,962,700.90-5,942,542.32-1,686,788.82

Finding the Fourth Proportional to 3,962,700.90, 5,942,542.32 and 1,686,788.82

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Solution

The fourth proportional to 3,962,700.90, 5,942,542.32 and 1,686,788.82 is: 2,529,540.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962,700.90 : 5,942,542.32 = 1,686,788.82 : x
  2. Step 2: Convert to fraction form
    3,962,700.90/5,942,542.32 = 1,686,788.82/x
  3. Step 3: Cross multiply
    3,962,700.90x = 5,942,542.32 × 1,686,788.82
  4. Step 4: Simplify right side
    3,962,700.90x = 10,023,813,947,752.86
  5. Step 5: Solve for x
    x = 10,023,813,947,752.86/3,962,700.90
  6. Step 6: Final answer
    x = 2,529,540.89

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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.