Home / 6,102,131.64-8,420,385-3,620,924.76

Finding the Fourth Proportional to 6,102,131.64, 8,420,385 and 3,620,924.76

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Solution

The fourth proportional to 6,102,131.64, 8,420,385 and 3,620,924.76 is: 4,996,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,102,131.64 : 8,420,385 = 3,620,924.76 : x
  2. Step 2: Convert to fraction form
    6,102,131.64/8,420,385 = 3,620,924.76/x
  3. Step 3: Cross multiply
    6,102,131.64x = 8,420,385 × 3,620,924.76
  4. Step 4: Simplify right side
    6,102,131.64x = 30,489,580,535,232.60
  5. Step 5: Solve for x
    x = 30,489,580,535,232.60/6,102,131.64
  6. Step 6: Final answer
    x = 4,996,545.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.