Home / 3,517,242.75-5,275,864.13-857,850.75

Finding the Fourth Proportional to 3,517,242.75, 5,275,864.13 and 857,850.75

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Solution

The fourth proportional to 3,517,242.75, 5,275,864.13 and 857,850.75 is: 1,286,776.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517,242.75 : 5,275,864.13 = 857,850.75 : x
  2. Step 2: Convert to fraction form
    3,517,242.75/5,275,864.13 = 857,850.75/x
  3. Step 3: Cross multiply
    3,517,242.75x = 5,275,864.13 × 857,850.75
  4. Step 4: Simplify right side
    3,517,242.75x = 4,525,903,996,529.34
  5. Step 5: Solve for x
    x = 4,525,903,996,529.34/3,517,242.75
  6. Step 6: Final answer
    x = 1,286,776.13

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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.