Home / 2,895,999.60-4,345,401.78-1,191,402.60

Finding the Fourth Proportional to 2,895,999.60, 4,345,401.78 and 1,191,402.60

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Solution

The fourth proportional to 2,895,999.60, 4,345,401.78 and 1,191,402.60 is: 1,787,680.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895,999.60 : 4,345,401.78 = 1,191,402.60 : x
  2. Step 2: Convert to fraction form
    2,895,999.60/4,345,401.78 = 1,191,402.60/x
  3. Step 3: Cross multiply
    2,895,999.60x = 4,345,401.78 × 1,191,402.60
  4. Step 4: Simplify right side
    2,895,999.60x = 5,177,122,978,736.63
  5. Step 5: Solve for x
    x = 5,177,122,978,736.63/2,895,999.60
  6. Step 6: Final answer
    x = 1,787,680.83

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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.