Home / 4,041,705.12-5,568,078.69-2,815,793.22

Finding the Fourth Proportional to 4,041,705.12, 5,568,078.69 and 2,815,793.22

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Solution

The fourth proportional to 4,041,705.12, 5,568,078.69 and 2,815,793.22 is: 3,879,193.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,041,705.12 : 5,568,078.69 = 2,815,793.22 : x
  2. Step 2: Convert to fraction form
    4,041,705.12/5,568,078.69 = 2,815,793.22/x
  3. Step 3: Cross multiply
    4,041,705.12x = 5,568,078.69 × 2,815,793.22
  4. Step 4: Simplify right side
    4,041,705.12x = 15,678,558,223,728.48
  5. Step 5: Solve for x
    x = 15,678,558,223,728.48/4,041,705.12
  6. Step 6: Final answer
    x = 3,879,193.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.