Home / 3,974,940.54-5,962,412.84-1,279,265.40

Finding the Fourth Proportional to 3,974,940.54, 5,962,412.84 and 1,279,265.40

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Solution

The fourth proportional to 3,974,940.54, 5,962,412.84 and 1,279,265.40 is: 1,918,898.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974,940.54 : 5,962,412.84 = 1,279,265.40 : x
  2. Step 2: Convert to fraction form
    3,974,940.54/5,962,412.84 = 1,279,265.40/x
  3. Step 3: Cross multiply
    3,974,940.54x = 5,962,412.84 × 1,279,265.40
  4. Step 4: Simplify right side
    3,974,940.54x = 7,627,508,440,331.41
  5. Step 5: Solve for x
    x = 7,627,508,440,331.41/3,974,940.54
  6. Step 6: Final answer
    x = 1,918,898.75

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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.