Home / 3,788,763.72-5,679,176.04-1,765,338.90

Finding the Fourth Proportional to 3,788,763.72, 5,679,176.04 and 1,765,338.90

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Solution

The fourth proportional to 3,788,763.72, 5,679,176.04 and 1,765,338.90 is: 2,646,158.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788,763.72 : 5,679,176.04 = 1,765,338.90 : x
  2. Step 2: Convert to fraction form
    3,788,763.72/5,679,176.04 = 1,765,338.90/x
  3. Step 3: Cross multiply
    3,788,763.72x = 5,679,176.04 × 1,765,338.90
  4. Step 4: Simplify right side
    3,788,763.72x = 10,025,670,383,359.96
  5. Step 5: Solve for x
    x = 10,025,670,383,359.96/3,788,763.72
  6. Step 6: Final answer
    x = 2,646,158.78

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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.