Home / 6,389,249.93-8,817,120.71-3,488,639.12

Finding the Fourth Proportional to 6,389,249.93, 8,817,120.71 and 3,488,639.12

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Solution

The fourth proportional to 6,389,249.93, 8,817,120.71 and 3,488,639.12 is: 4,814,297.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389,249.93 : 8,817,120.71 = 3,488,639.12 : x
  2. Step 2: Convert to fraction form
    6,389,249.93/8,817,120.71 = 3,488,639.12/x
  3. Step 3: Cross multiply
    6,389,249.93x = 8,817,120.71 × 3,488,639.12
  4. Step 4: Simplify right side
    6,389,249.93x = 30,759,752,173,139.38
  5. Step 5: Solve for x
    x = 30,759,752,173,139.38/6,389,249.93
  6. Step 6: Final answer
    x = 4,814,297.85

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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.