Home / 5,085,119.08-7,015,751.22-2,879,680.36

Finding the Fourth Proportional to 5,085,119.08, 7,015,751.22 and 2,879,680.36

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Solution

The fourth proportional to 5,085,119.08, 7,015,751.22 and 2,879,680.36 is: 3,972,988.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085,119.08 : 7,015,751.22 = 2,879,680.36 : x
  2. Step 2: Convert to fraction form
    5,085,119.08/7,015,751.22 = 2,879,680.36/x
  3. Step 3: Cross multiply
    5,085,119.08x = 7,015,751.22 × 2,879,680.36
  4. Step 4: Simplify right side
    5,085,119.08x = 20,203,120,998,880.04
  5. Step 5: Solve for x
    x = 20,203,120,998,880.04/5,085,119.08
  6. Step 6: Final answer
    x = 3,972,988.77

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1.5x scale

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.