Home / 6,381,768.46-9,572,736.05-2,121,936.61

Finding the Fourth Proportional to 6,381,768.46, 9,572,736.05 and 2,121,936.61

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Solution

The fourth proportional to 6,381,768.46, 9,572,736.05 and 2,121,936.61 is: 3,182,932.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381,768.46 : 9,572,736.05 = 2,121,936.61 : x
  2. Step 2: Convert to fraction form
    6,381,768.46/9,572,736.05 = 2,121,936.61/x
  3. Step 3: Cross multiply
    6,381,768.46x = 9,572,736.05 × 2,121,936.61
  4. Step 4: Simplify right side
    6,381,768.46x = 20,312,739,023,888.43
  5. Step 5: Solve for x
    x = 20,312,739,023,888.43/6,381,768.46
  6. Step 6: Final answer
    x = 3,182,932.63

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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.