Home / 4,138,063.82-6,203,070.02-1,978,527.68

Finding the Fourth Proportional to 4,138,063.82, 6,203,070.02 and 1,978,527.68

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Solution

The fourth proportional to 4,138,063.82, 6,203,070.02 and 1,978,527.68 is: 2,965,866.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,063.82 : 6,203,070.02 = 1,978,527.68 : x
  2. Step 2: Convert to fraction form
    4,138,063.82/6,203,070.02 = 1,978,527.68/x
  3. Step 3: Cross multiply
    4,138,063.82x = 6,203,070.02 × 1,978,527.68
  4. Step 4: Simplify right side
    4,138,063.82x = 12,272,945,709,479.12
  5. Step 5: Solve for x
    x = 12,272,945,709,479.12/4,138,063.82
  6. Step 6: Final answer
    x = 2,965,866.71

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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.