Home / 2,287,408.18-3,430,115.59-770,808.43

Finding the Fourth Proportional to 2,287,408.18, 3,430,115.59 and 770,808.43

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Solution

The fourth proportional to 2,287,408.18, 3,430,115.59 and 770,808.43 is: 1,155,876.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,408.18 : 3,430,115.59 = 770,808.43 : x
  2. Step 2: Convert to fraction form
    2,287,408.18/3,430,115.59 = 770,808.43/x
  3. Step 3: Cross multiply
    2,287,408.18x = 3,430,115.59 × 770,808.43
  4. Step 4: Simplify right side
    2,287,408.18x = 2,643,961,995,495.85
  5. Step 5: Solve for x
    x = 2,643,961,995,495.85/2,287,408.18
  6. Step 6: Final answer
    x = 1,155,876.78

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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.