Home / 3,428,591.70-5,143,606.83-1,298,628.66

Finding the Fourth Proportional to 3,428,591.70, 5,143,606.83 and 1,298,628.66

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Solution

The fourth proportional to 3,428,591.70, 5,143,606.83 and 1,298,628.66 is: 1,948,215.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,591.70 : 5,143,606.83 = 1,298,628.66 : x
  2. Step 2: Convert to fraction form
    3,428,591.70/5,143,606.83 = 1,298,628.66/x
  3. Step 3: Cross multiply
    3,428,591.70x = 5,143,606.83 × 1,298,628.66
  4. Step 4: Simplify right side
    3,428,591.70x = 6,679,635,245,209.75
  5. Step 5: Solve for x
    x = 6,679,635,245,209.75/3,428,591.70
  6. Step 6: Final answer
    x = 1,948,215.43

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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.