Home / 2,553,731.78-3,524,042.57-1,392,152.90

Finding the Fourth Proportional to 2,553,731.78, 3,524,042.57 and 1,392,152.90

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Solution

The fourth proportional to 2,553,731.78, 3,524,042.57 and 1,392,152.90 is: 1,921,112.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553,731.78 : 3,524,042.57 = 1,392,152.90 : x
  2. Step 2: Convert to fraction form
    2,553,731.78/3,524,042.57 = 1,392,152.90/x
  3. Step 3: Cross multiply
    2,553,731.78x = 3,524,042.57 × 1,392,152.90
  4. Step 4: Simplify right side
    2,553,731.78x = 4,906,006,058,967.98
  5. Step 5: Solve for x
    x = 4,906,006,058,967.98/2,553,731.78
  6. Step 6: Final answer
    x = 1,921,112.51

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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.