Home / 2,147,385.60-3,218,313.60-1,646,265.60

Finding the Fourth Proportional to 2,147,385.60, 3,218,313.60 and 1,646,265.60

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Solution

The fourth proportional to 2,147,385.60, 3,218,313.60 and 1,646,265.60 is: 2,467,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,385.60 : 3,218,313.60 = 1,646,265.60 : x
  2. Step 2: Convert to fraction form
    2,147,385.60/3,218,313.60 = 1,646,265.60/x
  3. Step 3: Cross multiply
    2,147,385.60x = 3,218,313.60 × 1,646,265.60
  4. Step 4: Simplify right side
    2,147,385.60x = 5,298,198,969,692.16
  5. Step 5: Solve for x
    x = 5,298,198,969,692.16/2,147,385.60
  6. Step 6: Final answer
    x = 2,467,278.80

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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.