Home / 3,890,702-5,836,078.92-1,231,310

Finding the Fourth Proportional to 3,890,702, 5,836,078.92 and 1,231,310

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Solution

The fourth proportional to 3,890,702, 5,836,078.92 and 1,231,310 is: 1,846,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890,702 : 5,836,078.92 = 1,231,310 : x
  2. Step 2: Convert to fraction form
    3,890,702/5,836,078.92 = 1,231,310/x
  3. Step 3: Cross multiply
    3,890,702x = 5,836,078.92 × 1,231,310
  4. Step 4: Simplify right side
    3,890,702x = 7,186,022,334,985.20
  5. Step 5: Solve for x
    x = 7,186,022,334,985.20/3,890,702
  6. Step 6: Final answer
    x = 1,846,973.20

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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.