Home / 5,718,722.18-7,889,863.83-3,654,945.78

Finding the Fourth Proportional to 5,718,722.18, 7,889,863.83 and 3,654,945.78

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Solution

The fourth proportional to 5,718,722.18, 7,889,863.83 and 3,654,945.78 is: 5,042,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718,722.18 : 7,889,863.83 = 3,654,945.78 : x
  2. Step 2: Convert to fraction form
    5,718,722.18/7,889,863.83 = 3,654,945.78/x
  3. Step 3: Cross multiply
    5,718,722.18x = 7,889,863.83 × 3,654,945.78
  4. Step 4: Simplify right side
    5,718,722.18x = 28,837,024,510,233.14
  5. Step 5: Solve for x
    x = 28,837,024,510,233.14/5,718,722.18
  6. Step 6: Final answer
    x = 5,042,564.34

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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.