Home / 3,428,492.28-5,117,703.82-3,178,715

Finding the Fourth Proportional to 3,428,492.28, 5,117,703.82 and 3,178,715

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Solution

The fourth proportional to 3,428,492.28, 5,117,703.82 and 3,178,715 is: 4,744,861.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,492.28 : 5,117,703.82 = 3,178,715 : x
  2. Step 2: Convert to fraction form
    3,428,492.28/5,117,703.82 = 3,178,715/x
  3. Step 3: Cross multiply
    3,428,492.28x = 5,117,703.82 × 3,178,715
  4. Step 4: Simplify right side
    3,428,492.28x = 16,267,721,898,191.30
  5. Step 5: Solve for x
    x = 16,267,721,898,191.30/3,428,492.28
  6. Step 6: Final answer
    x = 4,744,861.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.