Home / 2,536,589.92-3,500,401.20-1,390,645.12

Finding the Fourth Proportional to 2,536,589.92, 3,500,401.20 and 1,390,645.12

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Solution

The fourth proportional to 2,536,589.92, 3,500,401.20 and 1,390,645.12 is: 1,919,039.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,536,589.92 : 3,500,401.20 = 1,390,645.12 : x
  2. Step 2: Convert to fraction form
    2,536,589.92/3,500,401.20 = 1,390,645.12/x
  3. Step 3: Cross multiply
    2,536,589.92x = 3,500,401.20 × 1,390,645.12
  4. Step 4: Simplify right side
    2,536,589.92x = 4,867,815,846,822.14
  5. Step 5: Solve for x
    x = 4,867,815,846,822.14/2,536,589.92
  6. Step 6: Final answer
    x = 1,919,039.34

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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.