Home / 3,759,299.80-5,187,820.54-2,040,420.20

Finding the Fourth Proportional to 3,759,299.80, 5,187,820.54 and 2,040,420.20

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Solution

The fourth proportional to 3,759,299.80, 5,187,820.54 and 2,040,420.20 is: 2,815,772.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759,299.80 : 5,187,820.54 = 2,040,420.20 : x
  2. Step 2: Convert to fraction form
    3,759,299.80/5,187,820.54 = 2,040,420.20/x
  3. Step 3: Cross multiply
    3,759,299.80x = 5,187,820.54 × 2,040,420.20
  4. Step 4: Simplify right side
    3,759,299.80x = 10,585,333,823,790.91
  5. Step 5: Solve for x
    x = 10,585,333,823,790.91/3,759,299.80
  6. Step 6: Final answer
    x = 2,815,772.72

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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.