Home / 2,291,144.80-3,428,552.40-1,994,879.20

Finding the Fourth Proportional to 2,291,144.80, 3,428,552.40 and 1,994,879.20

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Solution

The fourth proportional to 2,291,144.80, 3,428,552.40 and 1,994,879.20 is: 2,985,209.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291,144.80 : 3,428,552.40 = 1,994,879.20 : x
  2. Step 2: Convert to fraction form
    2,291,144.80/3,428,552.40 = 1,994,879.20/x
  3. Step 3: Cross multiply
    2,291,144.80x = 3,428,552.40 × 1,994,879.20
  4. Step 4: Simplify right side
    2,291,144.80x = 6,839,547,868,870.08
  5. Step 5: Solve for x
    x = 6,839,547,868,870.08/2,291,144.80
  6. Step 6: Final answer
    x = 2,985,209.78

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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.