Home / 2,087,872.81-3,131,750.89-668,014.09

Finding the Fourth Proportional to 2,087,872.81, 3,131,750.89 and 668,014.09

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Solution

The fourth proportional to 2,087,872.81, 3,131,750.89 and 668,014.09 is: 1,002,002.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,872.81 : 3,131,750.89 = 668,014.09 : x
  2. Step 2: Convert to fraction form
    2,087,872.81/3,131,750.89 = 668,014.09/x
  3. Step 3: Cross multiply
    2,087,872.81x = 3,131,750.89 × 668,014.09
  4. Step 4: Simplify right side
    2,087,872.81x = 2,092,053,713,895.68
  5. Step 5: Solve for x
    x = 2,092,053,713,895.68/2,087,872.81
  6. Step 6: Final answer
    x = 1,002,002.47

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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.