Home / 3,408,266.10-5,110,455.15-1,278,419.70

Finding the Fourth Proportional to 3,408,266.10, 5,110,455.15 and 1,278,419.70

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Solution

The fourth proportional to 3,408,266.10, 5,110,455.15 and 1,278,419.70 is: 1,916,900.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408,266.10 : 5,110,455.15 = 1,278,419.70 : x
  2. Step 2: Convert to fraction form
    3,408,266.10/5,110,455.15 = 1,278,419.70/x
  3. Step 3: Cross multiply
    3,408,266.10x = 5,110,455.15 × 1,278,419.70
  4. Step 4: Simplify right side
    3,408,266.10x = 6,533,306,539,726.46
  5. Step 5: Solve for x
    x = 6,533,306,539,726.46/3,408,266.10
  6. Step 6: Final answer
    x = 1,916,900.37

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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.