Home / 3,679,839.67-5,078,179.02-2,048,211.91

Finding the Fourth Proportional to 3,679,839.67, 5,078,179.02 and 2,048,211.91

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Solution

The fourth proportional to 3,679,839.67, 5,078,179.02 and 2,048,211.91 is: 2,826,532.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679,839.67 : 5,078,179.02 = 2,048,211.91 : x
  2. Step 2: Convert to fraction form
    3,679,839.67/5,078,179.02 = 2,048,211.91/x
  3. Step 3: Cross multiply
    3,679,839.67x = 5,078,179.02 × 2,048,211.91
  4. Step 4: Simplify right side
    3,679,839.67x = 10,401,186,749,876.13
  5. Step 5: Solve for x
    x = 10,401,186,749,876.13/3,679,839.67
  6. Step 6: Final answer
    x = 2,826,532.59

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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.