Home / 3,432,278.66-5,148,720.54-1,273,328.78

Finding the Fourth Proportional to 3,432,278.66, 5,148,720.54 and 1,273,328.78

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Solution

The fourth proportional to 3,432,278.66, 5,148,720.54 and 1,273,328.78 is: 1,910,105.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432,278.66 : 5,148,720.54 = 1,273,328.78 : x
  2. Step 2: Convert to fraction form
    3,432,278.66/5,148,720.54 = 1,273,328.78/x
  3. Step 3: Cross multiply
    3,432,278.66x = 5,148,720.54 × 1,273,328.78
  4. Step 4: Simplify right side
    3,432,278.66x = 6,556,014,018,015.54
  5. Step 5: Solve for x
    x = 6,556,014,018,015.54/3,432,278.66
  6. Step 6: Final answer
    x = 1,910,105.41

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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.