Home / 3,863,569.12-5,331,458.68-2,144,554.31

Finding the Fourth Proportional to 3,863,569.12, 5,331,458.68 and 2,144,554.31

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Solution

The fourth proportional to 3,863,569.12, 5,331,458.68 and 2,144,554.31 is: 2,959,336.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863,569.12 : 5,331,458.68 = 2,144,554.31 : x
  2. Step 2: Convert to fraction form
    3,863,569.12/5,331,458.68 = 2,144,554.31/x
  3. Step 3: Cross multiply
    3,863,569.12x = 5,331,458.68 × 2,144,554.31
  4. Step 4: Simplify right side
    3,863,569.12x = 11,433,602,698,748.17
  5. Step 5: Solve for x
    x = 11,433,602,698,748.17/3,863,569.12
  6. Step 6: Final answer
    x = 2,959,336.91

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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.