Home / 3,177,148.80-4,768,085.68-1,283,906.64

Finding the Fourth Proportional to 3,177,148.80, 4,768,085.68 and 1,283,906.64

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Solution

The fourth proportional to 3,177,148.80, 4,768,085.68 and 1,283,906.64 is: 1,926,814.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177,148.80 : 4,768,085.68 = 1,283,906.64 : x
  2. Step 2: Convert to fraction form
    3,177,148.80/4,768,085.68 = 1,283,906.64/x
  3. Step 3: Cross multiply
    3,177,148.80x = 4,768,085.68 × 1,283,906.64
  4. Step 4: Simplify right side
    3,177,148.80x = 6,121,776,864,640.91
  5. Step 5: Solve for x
    x = 6,121,776,864,640.91/3,177,148.80
  6. Step 6: Final answer
    x = 1,926,814.65

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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.