Home / 5,210,665.35-7,816,016.26-3,689,748.20

Finding the Fourth Proportional to 5,210,665.35, 7,816,016.26 and 3,689,748.20

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Solution

The fourth proportional to 5,210,665.35, 7,816,016.26 and 3,689,748.20 is: 5,534,635.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210,665.35 : 7,816,016.26 = 3,689,748.20 : x
  2. Step 2: Convert to fraction form
    5,210,665.35/7,816,016.26 = 3,689,748.20/x
  3. Step 3: Cross multiply
    5,210,665.35x = 7,816,016.26 × 3,689,748.20
  4. Step 4: Simplify right side
    5,210,665.35x = 28,839,131,926,505.73
  5. Step 5: Solve for x
    x = 28,839,131,926,505.73/5,210,665.35
  6. Step 6: Final answer
    x = 5,534,635.21

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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.