Home / 2,015,999.20-3,023,998.80-818,495.20

Finding the Fourth Proportional to 2,015,999.20, 3,023,998.80 and 818,495.20

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Solution

The fourth proportional to 2,015,999.20, 3,023,998.80 and 818,495.20 is: 1,227,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,999.20 : 3,023,998.80 = 818,495.20 : x
  2. Step 2: Convert to fraction form
    2,015,999.20/3,023,998.80 = 818,495.20/x
  3. Step 3: Cross multiply
    2,015,999.20x = 3,023,998.80 × 818,495.20
  4. Step 4: Simplify right side
    2,015,999.20x = 2,475,128,502,605.76
  5. Step 5: Solve for x
    x = 2,475,128,502,605.76/2,015,999.20
  6. Step 6: Final answer
    x = 1,227,742.80

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Similar ratio
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1.5x scale

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.