Home / 6,321,879-8,718,271.25-4,196,404.08

Finding the Fourth Proportional to 6,321,879, 8,718,271.25 and 4,196,404.08

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Solution

The fourth proportional to 6,321,879, 8,718,271.25 and 4,196,404.08 is: 5,787,106.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,879 : 8,718,271.25 = 4,196,404.08 : x
  2. Step 2: Convert to fraction form
    6,321,879/8,718,271.25 = 4,196,404.08/x
  3. Step 3: Cross multiply
    6,321,879x = 8,718,271.25 × 4,196,404.08
  4. Step 4: Simplify right side
    6,321,879x = 36,585,389,023,064.68
  5. Step 5: Solve for x
    x = 36,585,389,023,064.68/6,321,879
  6. Step 6: Final answer
    x = 5,787,106.81

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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.