Home / 2,378,462.61-3,282,287.00-1,290,733.86

Finding the Fourth Proportional to 2,378,462.61, 3,282,287.00 and 1,290,733.86

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Solution

The fourth proportional to 2,378,462.61, 3,282,287.00 and 1,290,733.86 is: 1,781,217.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,462.61 : 3,282,287.00 = 1,290,733.86 : x
  2. Step 2: Convert to fraction form
    2,378,462.61/3,282,287.00 = 1,290,733.86/x
  3. Step 3: Cross multiply
    2,378,462.61x = 3,282,287.00 × 1,290,733.86
  4. Step 4: Simplify right side
    2,378,462.61x = 4,236,558,962,684.15
  5. Step 5: Solve for x
    x = 4,236,558,962,684.15/2,378,462.61
  6. Step 6: Final answer
    x = 1,781,217.39

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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.