Home / 2,191,095.60-3,286,643.40-1,519,249.20

Finding the Fourth Proportional to 2,191,095.60, 3,286,643.40 and 1,519,249.20

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Solution

The fourth proportional to 2,191,095.60, 3,286,643.40 and 1,519,249.20 is: 2,278,873.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,095.60 : 3,286,643.40 = 1,519,249.20 : x
  2. Step 2: Convert to fraction form
    2,191,095.60/3,286,643.40 = 1,519,249.20/x
  3. Step 3: Cross multiply
    2,191,095.60x = 3,286,643.40 × 1,519,249.20
  4. Step 4: Simplify right side
    2,191,095.60x = 4,993,230,356,135.28
  5. Step 5: Solve for x
    x = 4,993,230,356,135.28/2,191,095.60
  6. Step 6: Final answer
    x = 2,278,873.80

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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.