Home / 2,228,687.80-3,342,642.90-808,012.60

Finding the Fourth Proportional to 2,228,687.80, 3,342,642.90 and 808,012.60

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Solution

The fourth proportional to 2,228,687.80, 3,342,642.90 and 808,012.60 is: 1,211,877.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228,687.80 : 3,342,642.90 = 808,012.60 : x
  2. Step 2: Convert to fraction form
    2,228,687.80/3,342,642.90 = 808,012.60/x
  3. Step 3: Cross multiply
    2,228,687.80x = 3,342,642.90 × 808,012.60
  4. Step 4: Simplify right side
    2,228,687.80x = 2,700,897,580,500.54
  5. Step 5: Solve for x
    x = 2,700,897,580,500.54/2,228,687.80
  6. Step 6: Final answer
    x = 1,211,877.94

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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.