Home / 6,438,148.20-9,658,717.92-1,889,013.24

Finding the Fourth Proportional to 6,438,148.20, 9,658,717.92 and 1,889,013.24

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Solution

The fourth proportional to 6,438,148.20, 9,658,717.92 and 1,889,013.24 is: 2,833,958.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,148.20 : 9,658,717.92 = 1,889,013.24 : x
  2. Step 2: Convert to fraction form
    6,438,148.20/9,658,717.92 = 1,889,013.24/x
  3. Step 3: Cross multiply
    6,438,148.20x = 9,658,717.92 × 1,889,013.24
  4. Step 4: Simplify right side
    6,438,148.20x = 18,245,446,032,305.26
  5. Step 5: Solve for x
    x = 18,245,446,032,305.26/6,438,148.20
  6. Step 6: Final answer
    x = 2,833,958.69

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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.