Home / 1,827,198.90-2,739,688.49-915,320.88

Finding the Fourth Proportional to 1,827,198.90, 2,739,688.49 and 915,320.88

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Solution

The fourth proportional to 1,827,198.90, 2,739,688.49 and 915,320.88 is: 1,372,425.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827,198.90 : 2,739,688.49 = 915,320.88 : x
  2. Step 2: Convert to fraction form
    1,827,198.90/2,739,688.49 = 915,320.88/x
  3. Step 3: Cross multiply
    1,827,198.90x = 2,739,688.49 × 915,320.88
  4. Step 4: Simplify right side
    1,827,198.90x = 2,507,694,072,743.45
  5. Step 5: Solve for x
    x = 2,507,694,072,743.45/1,827,198.90
  6. Step 6: Final answer
    x = 1,372,425.34

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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.