Home / 3,620,503.60-4,996,298.25-1,989,016.66

Finding the Fourth Proportional to 3,620,503.60, 4,996,298.25 and 1,989,016.66

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Solution

The fourth proportional to 3,620,503.60, 4,996,298.25 and 1,989,016.66 is: 2,744,844.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,503.60 : 4,996,298.25 = 1,989,016.66 : x
  2. Step 2: Convert to fraction form
    3,620,503.60/4,996,298.25 = 1,989,016.66/x
  3. Step 3: Cross multiply
    3,620,503.60x = 4,996,298.25 × 1,989,016.66
  4. Step 4: Simplify right side
    3,620,503.60x = 9,937,720,422,652.27
  5. Step 5: Solve for x
    x = 9,937,720,422,652.27/3,620,503.60
  6. Step 6: Final answer
    x = 2,744,844.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.