Home / 3,675,423.78-5,513,398.38-979,735.14

Finding the Fourth Proportional to 3,675,423.78, 5,513,398.38 and 979,735.14

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Solution

The fourth proportional to 3,675,423.78, 5,513,398.38 and 979,735.14 is: 1,469,672.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675,423.78 : 5,513,398.38 = 979,735.14 : x
  2. Step 2: Convert to fraction form
    3,675,423.78/5,513,398.38 = 979,735.14/x
  3. Step 3: Cross multiply
    3,675,423.78x = 5,513,398.38 × 979,735.14
  4. Step 4: Simplify right side
    3,675,423.78x = 5,401,670,133,705.07
  5. Step 5: Solve for x
    x = 5,401,670,133,705.07/3,675,423.78
  6. Step 6: Final answer
    x = 1,469,672.74

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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.