Home / 5,113,721.43-7,058,143.31-2,939,525.78

Finding the Fourth Proportional to 5,113,721.43, 7,058,143.31 and 2,939,525.78

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Solution

The fourth proportional to 5,113,721.43, 7,058,143.31 and 2,939,525.78 is: 4,057,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113,721.43 : 7,058,143.31 = 2,939,525.78 : x
  2. Step 2: Convert to fraction form
    5,113,721.43/7,058,143.31 = 2,939,525.78/x
  3. Step 3: Cross multiply
    5,113,721.43x = 7,058,143.31 × 2,939,525.78
  4. Step 4: Simplify right side
    5,113,721.43x = 20,747,594,168,691.18
  5. Step 5: Solve for x
    x = 20,747,594,168,691.18/5,113,721.43
  6. Step 6: Final answer
    x = 4,057,239.81

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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.