Home / 1,982,830.55-2,974,247.51-543,529.62

Finding the Fourth Proportional to 1,982,830.55, 2,974,247.51 and 543,529.62

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Solution

The fourth proportional to 1,982,830.55, 2,974,247.51 and 543,529.62 is: 815,294.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,830.55 : 2,974,247.51 = 543,529.62 : x
  2. Step 2: Convert to fraction form
    1,982,830.55/2,974,247.51 = 543,529.62/x
  3. Step 3: Cross multiply
    1,982,830.55x = 2,974,247.51 × 543,529.62
  4. Step 4: Simplify right side
    1,982,830.55x = 1,616,591,616,178.60
  5. Step 5: Solve for x
    x = 1,616,591,616,178.60/1,982,830.55
  6. Step 6: Final answer
    x = 815,294.89

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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.