Home / 3,658,422.30-5,487,633.45-3,453,135.90

Finding the Fourth Proportional to 3,658,422.30, 5,487,633.45 and 3,453,135.90

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Solution

The fourth proportional to 3,658,422.30, 5,487,633.45 and 3,453,135.90 is: 5,179,703.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658,422.30 : 5,487,633.45 = 3,453,135.90 : x
  2. Step 2: Convert to fraction form
    3,658,422.30/5,487,633.45 = 3,453,135.90/x
  3. Step 3: Cross multiply
    3,658,422.30x = 5,487,633.45 × 3,453,135.90
  4. Step 4: Simplify right side
    3,658,422.30x = 18,949,544,072,235.86
  5. Step 5: Solve for x
    x = 18,949,544,072,235.86/3,658,422.30
  6. Step 6: Final answer
    x = 5,179,703.85

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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.