Home / 2,758,678.20-4,138,017.30-764,134.20

Finding the Fourth Proportional to 2,758,678.20, 4,138,017.30 and 764,134.20

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Solution

The fourth proportional to 2,758,678.20, 4,138,017.30 and 764,134.20 is: 1,146,201.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,678.20 : 4,138,017.30 = 764,134.20 : x
  2. Step 2: Convert to fraction form
    2,758,678.20/4,138,017.30 = 764,134.20/x
  3. Step 3: Cross multiply
    2,758,678.20x = 4,138,017.30 × 764,134.20
  4. Step 4: Simplify right side
    2,758,678.20x = 3,162,000,539,121.66
  5. Step 5: Solve for x
    x = 3,162,000,539,121.66/2,758,678.20
  6. Step 6: Final answer
    x = 1,146,201.30

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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.