Home / 2,138,912.88-2,950,595.55-1,450,351.86

Finding the Fourth Proportional to 2,138,912.88, 2,950,595.55 and 1,450,351.86

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Solution

The fourth proportional to 2,138,912.88, 2,950,595.55 and 1,450,351.86 is: 2,000,736.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,912.88 : 2,950,595.55 = 1,450,351.86 : x
  2. Step 2: Convert to fraction form
    2,138,912.88/2,950,595.55 = 1,450,351.86/x
  3. Step 3: Cross multiply
    2,138,912.88x = 2,950,595.55 × 1,450,351.86
  4. Step 4: Simplify right side
    2,138,912.88x = 4,279,401,744,050.22
  5. Step 5: Solve for x
    x = 4,279,401,744,050.22/2,138,912.88
  6. Step 6: Final answer
    x = 2,000,736.82

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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.