Home / 3,612,455.22-5,414,889.78-1,215,467.76

Finding the Fourth Proportional to 3,612,455.22, 5,414,889.78 and 1,215,467.76

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Solution

The fourth proportional to 3,612,455.22, 5,414,889.78 and 1,215,467.76 is: 1,821,925.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,455.22 : 5,414,889.78 = 1,215,467.76 : x
  2. Step 2: Convert to fraction form
    3,612,455.22/5,414,889.78 = 1,215,467.76/x
  3. Step 3: Cross multiply
    3,612,455.22x = 5,414,889.78 × 1,215,467.76
  4. Step 4: Simplify right side
    3,612,455.22x = 6,581,623,951,543.49
  5. Step 5: Solve for x
    x = 6,581,623,951,543.49/3,612,455.22
  6. Step 6: Final answer
    x = 1,821,925.41

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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.