Home / 2,187,002.40-3,280,503.60-1,230,408.60

Finding the Fourth Proportional to 2,187,002.40, 3,280,503.60 and 1,230,408.60

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Solution

The fourth proportional to 2,187,002.40, 3,280,503.60 and 1,230,408.60 is: 1,845,612.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,002.40 : 3,280,503.60 = 1,230,408.60 : x
  2. Step 2: Convert to fraction form
    2,187,002.40/3,280,503.60 = 1,230,408.60/x
  3. Step 3: Cross multiply
    2,187,002.40x = 3,280,503.60 × 1,230,408.60
  4. Step 4: Simplify right side
    2,187,002.40x = 4,036,359,841,770.96
  5. Step 5: Solve for x
    x = 4,036,359,841,770.96/2,187,002.40
  6. Step 6: Final answer
    x = 1,845,612.90

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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.