Home / 7,149,771.20-10,725,667.21-2,290,941.66

Finding the Fourth Proportional to 7,149,771.20, 10,725,667.21 and 2,290,941.66

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Solution

The fourth proportional to 7,149,771.20, 10,725,667.21 and 2,290,941.66 is: 3,436,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149,771.20 : 10,725,667.21 = 2,290,941.66 : x
  2. Step 2: Convert to fraction form
    7,149,771.20/10,725,667.21 = 2,290,941.66/x
  3. Step 3: Cross multiply
    7,149,771.20x = 10,725,667.21 × 2,290,941.66
  4. Step 4: Simplify right side
    7,149,771.20x = 24,571,877,842,684.97
  5. Step 5: Solve for x
    x = 24,571,877,842,684.97/7,149,771.20
  6. Step 6: Final answer
    x = 3,436,736.25

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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.