Home / 2,910,906.40-4,366,359.60-2,780,269.60

Finding the Fourth Proportional to 2,910,906.40, 4,366,359.60 and 2,780,269.60

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Solution

The fourth proportional to 2,910,906.40, 4,366,359.60 and 2,780,269.60 is: 4,170,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,906.40 : 4,366,359.60 = 2,780,269.60 : x
  2. Step 2: Convert to fraction form
    2,910,906.40/4,366,359.60 = 2,780,269.60/x
  3. Step 3: Cross multiply
    2,910,906.40x = 4,366,359.60 × 2,780,269.60
  4. Step 4: Simplify right side
    2,910,906.40x = 12,139,656,858,548.16
  5. Step 5: Solve for x
    x = 12,139,656,858,548.16/2,910,906.40
  6. Step 6: Final answer
    x = 4,170,404.40

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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.