Home / 2,015,230.40-3,020,221.20-816,171.20

Finding the Fourth Proportional to 2,015,230.40, 3,020,221.20 and 816,171.20

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Solution

The fourth proportional to 2,015,230.40, 3,020,221.20 and 816,171.20 is: 1,223,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,230.40 : 3,020,221.20 = 816,171.20 : x
  2. Step 2: Convert to fraction form
    2,015,230.40/3,020,221.20 = 816,171.20/x
  3. Step 3: Cross multiply
    2,015,230.40x = 3,020,221.20 × 816,171.20
  4. Step 4: Simplify right side
    2,015,230.40x = 2,465,017,561,069.44
  5. Step 5: Solve for x
    x = 2,465,017,561,069.44/2,015,230.40
  6. Step 6: Final answer
    x = 1,223,193.91

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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.