Home / 4,419,328.31-6,629,272.65-1,386,813.86

Finding the Fourth Proportional to 4,419,328.31, 6,629,272.65 and 1,386,813.86

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Solution

The fourth proportional to 4,419,328.31, 6,629,272.65 and 1,386,813.86 is: 2,080,308.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419,328.31 : 6,629,272.65 = 1,386,813.86 : x
  2. Step 2: Convert to fraction form
    4,419,328.31/6,629,272.65 = 1,386,813.86/x
  3. Step 3: Cross multiply
    4,419,328.31x = 6,629,272.65 × 1,386,813.86
  4. Step 4: Simplify right side
    4,419,328.31x = 9,193,567,192,738.93
  5. Step 5: Solve for x
    x = 9,193,567,192,738.93/4,419,328.31
  6. Step 6: Final answer
    x = 2,080,308.71

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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.