Home / 4,000,082.72-5,520,128.79-2,164,541.03

Finding the Fourth Proportional to 4,000,082.72, 5,520,128.79 and 2,164,541.03

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Solution

The fourth proportional to 4,000,082.72, 5,520,128.79 and 2,164,541.03 is: 2,987,074.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000,082.72 : 5,520,128.79 = 2,164,541.03 : x
  2. Step 2: Convert to fraction form
    4,000,082.72/5,520,128.79 = 2,164,541.03/x
  3. Step 3: Cross multiply
    4,000,082.72x = 5,520,128.79 × 2,164,541.03
  4. Step 4: Simplify right side
    4,000,082.72x = 11,948,545,256,839.25
  5. Step 5: Solve for x
    x = 11,948,545,256,839.25/4,000,082.72
  6. Step 6: Final answer
    x = 2,987,074.54

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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.