Home / 2,040,884.90-2,815,478.83-1,315,965.48

Finding the Fourth Proportional to 2,040,884.90, 2,815,478.83 and 1,315,965.48

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Solution

The fourth proportional to 2,040,884.90, 2,815,478.83 and 1,315,965.48 is: 1,815,424.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040,884.90 : 2,815,478.83 = 1,315,965.48 : x
  2. Step 2: Convert to fraction form
    2,040,884.90/2,815,478.83 = 1,315,965.48/x
  3. Step 3: Cross multiply
    2,040,884.90x = 2,815,478.83 × 1,315,965.48
  4. Step 4: Simplify right side
    2,040,884.90x = 3,705,072,929,293.57
  5. Step 5: Solve for x
    x = 3,705,072,929,293.57/2,040,884.90
  6. Step 6: Final answer
    x = 1,815,424.74

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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.