Home / 2,487,016.85-3,431,838.27-1,399,264.40

Finding the Fourth Proportional to 2,487,016.85, 3,431,838.27 and 1,399,264.40

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Solution

The fourth proportional to 2,487,016.85, 3,431,838.27 and 1,399,264.40 is: 1,930,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,016.85 : 3,431,838.27 = 1,399,264.40 : x
  2. Step 2: Convert to fraction form
    2,487,016.85/3,431,838.27 = 1,399,264.40/x
  3. Step 3: Cross multiply
    2,487,016.85x = 3,431,838.27 × 1,399,264.40
  4. Step 4: Simplify right side
    2,487,016.85x = 4,802,049,131,595.43
  5. Step 5: Solve for x
    x = 4,802,049,131,595.43/2,487,016.85
  6. Step 6: Final answer
    x = 1,930,847.05

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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.