Home / 1,827,198.78-2,739,688.30-915,320.75

Finding the Fourth Proportional to 1,827,198.78, 2,739,688.30 and 915,320.75

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Solution

The fourth proportional to 1,827,198.78, 2,739,688.30 and 915,320.75 is: 1,372,425.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827,198.78 : 2,739,688.30 = 915,320.75 : x
  2. Step 2: Convert to fraction form
    1,827,198.78/2,739,688.30 = 915,320.75/x
  3. Step 3: Cross multiply
    1,827,198.78x = 2,739,688.30 × 915,320.75
  4. Step 4: Simplify right side
    1,827,198.78x = 2,507,693,560,729.73
  5. Step 5: Solve for x
    x = 2,507,693,560,729.73/1,827,198.78
  6. Step 6: Final answer
    x = 1,372,425.15

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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.