Home / 3,932,678.61-5,427,199.13-2,213,861.85

Finding the Fourth Proportional to 3,932,678.61, 5,427,199.13 and 2,213,861.85

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Solution

The fourth proportional to 3,932,678.61, 5,427,199.13 and 2,213,861.85 is: 3,055,187.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932,678.61 : 5,427,199.13 = 2,213,861.85 : x
  2. Step 2: Convert to fraction form
    3,932,678.61/5,427,199.13 = 2,213,861.85/x
  3. Step 3: Cross multiply
    3,932,678.61x = 5,427,199.13 × 2,213,861.85
  4. Step 4: Simplify right side
    3,932,678.61x = 12,015,069,095,190.88
  5. Step 5: Solve for x
    x = 12,015,069,095,190.88/3,932,678.61
  6. Step 6: Final answer
    x = 3,055,187.13

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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.