Home / 5,162,766.39-7,124,631.81-2,839,896.89

Finding the Fourth Proportional to 5,162,766.39, 7,124,631.81 and 2,839,896.89

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Solution

The fourth proportional to 5,162,766.39, 7,124,631.81 and 2,839,896.89 is: 3,919,065.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162,766.39 : 7,124,631.81 = 2,839,896.89 : x
  2. Step 2: Convert to fraction form
    5,162,766.39/7,124,631.81 = 2,839,896.89/x
  3. Step 3: Cross multiply
    5,162,766.39x = 7,124,631.81 × 2,839,896.89
  4. Step 4: Simplify right side
    5,162,766.39x = 20,233,219,719,614.07
  5. Step 5: Solve for x
    x = 20,233,219,719,614.07/5,162,766.39
  6. Step 6: Final answer
    x = 3,919,065.51

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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.