Home / 5,115,007.30-7,058,207.52-2,823,020.38

Finding the Fourth Proportional to 5,115,007.30, 7,058,207.52 and 2,823,020.38

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Solution

The fourth proportional to 5,115,007.30, 7,058,207.52 and 2,823,020.38 is: 3,895,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115,007.30 : 7,058,207.52 = 2,823,020.38 : x
  2. Step 2: Convert to fraction form
    5,115,007.30/7,058,207.52 = 2,823,020.38/x
  3. Step 3: Cross multiply
    5,115,007.30x = 7,058,207.52 × 2,823,020.38
  4. Step 4: Simplify right side
    5,115,007.30x = 19,925,463,675,229.25
  5. Step 5: Solve for x
    x = 19,925,463,675,229.25/5,115,007.30
  6. Step 6: Final answer
    x = 3,895,490.76

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1.5x scale

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.