Home / 2,141,450.34-3,207,892.79-1,288,050.75

Finding the Fourth Proportional to 2,141,450.34, 3,207,892.79 and 1,288,050.75

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Solution

The fourth proportional to 2,141,450.34, 3,207,892.79 and 1,288,050.75 is: 1,929,500.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,450.34 : 3,207,892.79 = 1,288,050.75 : x
  2. Step 2: Convert to fraction form
    2,141,450.34/3,207,892.79 = 1,288,050.75/x
  3. Step 3: Cross multiply
    2,141,450.34x = 3,207,892.79 × 1,288,050.75
  4. Step 4: Simplify right side
    2,141,450.34x = 4,131,928,707,638.84
  5. Step 5: Solve for x
    x = 4,131,928,707,638.84/2,141,450.34
  6. Step 6: Final answer
    x = 1,929,500.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.