Home / 5,115,007.80-7,058,208.21-2,823,020.88

Finding the Fourth Proportional to 5,115,007.80, 7,058,208.21 and 2,823,020.88

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Solution

The fourth proportional to 5,115,007.80, 7,058,208.21 and 2,823,020.88 is: 3,895,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115,007.80 : 7,058,208.21 = 2,823,020.88 : x
  2. Step 2: Convert to fraction form
    5,115,007.80/7,058,208.21 = 2,823,020.88/x
  3. Step 3: Cross multiply
    5,115,007.80x = 7,058,208.21 × 2,823,020.88
  4. Step 4: Simplify right side
    5,115,007.80x = 19,925,469,152,217.43
  5. Step 5: Solve for x
    x = 19,925,469,152,217.43/5,115,007.80
  6. Step 6: Final answer
    x = 3,895,491.45

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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.