Home / 3,988,689.88-5,504,316.24-2,439,838.12

Finding the Fourth Proportional to 3,988,689.88, 5,504,316.24 and 2,439,838.12

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Solution

The fourth proportional to 3,988,689.88, 5,504,316.24 and 2,439,838.12 is: 3,366,930.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,689.88 : 5,504,316.24 = 2,439,838.12 : x
  2. Step 2: Convert to fraction form
    3,988,689.88/5,504,316.24 = 2,439,838.12/x
  3. Step 3: Cross multiply
    3,988,689.88x = 5,504,316.24 × 2,439,838.12
  4. Step 4: Simplify right side
    3,988,689.88x = 13,429,640,586,887.07
  5. Step 5: Solve for x
    x = 13,429,640,586,887.07/3,988,689.88
  6. Step 6: Final answer
    x = 3,366,930.24

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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.