Home / 1,540,896.15-2,125,131.90-928,914.78

Finding the Fourth Proportional to 1,540,896.15, 2,125,131.90 and 928,914.78

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Solution

The fourth proportional to 1,540,896.15, 2,125,131.90 and 928,914.78 is: 1,281,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,896.15 : 2,125,131.90 = 928,914.78 : x
  2. Step 2: Convert to fraction form
    1,540,896.15/2,125,131.90 = 928,914.78/x
  3. Step 3: Cross multiply
    1,540,896.15x = 2,125,131.90 × 928,914.78
  4. Step 4: Simplify right side
    1,540,896.15x = 1,974,066,431,359.48
  5. Step 5: Solve for x
    x = 1,974,066,431,359.48/1,540,896.15
  6. Step 6: Final answer
    x = 1,281,115.82

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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.