Home / 3,226,425.12-4,453,978.32-1,868,035.68

Finding the Fourth Proportional to 3,226,425.12, 4,453,978.32 and 1,868,035.68

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Solution

The fourth proportional to 3,226,425.12, 4,453,978.32 and 1,868,035.68 is: 2,578,764.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226,425.12 : 4,453,978.32 = 1,868,035.68 : x
  2. Step 2: Convert to fraction form
    3,226,425.12/4,453,978.32 = 1,868,035.68/x
  3. Step 3: Cross multiply
    3,226,425.12x = 4,453,978.32 × 1,868,035.68
  4. Step 4: Simplify right side
    3,226,425.12x = 8,320,190,419,706.46
  5. Step 5: Solve for x
    x = 8,320,190,419,706.46/3,226,425.12
  6. Step 6: Final answer
    x = 2,578,764.46

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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.