Home / 4,987,556.50-7,481,650.82-2,108,386.72

Finding the Fourth Proportional to 4,987,556.50, 7,481,650.82 and 2,108,386.72

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Solution

The fourth proportional to 4,987,556.50, 7,481,650.82 and 2,108,386.72 is: 3,162,713.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987,556.50 : 7,481,650.82 = 2,108,386.72 : x
  2. Step 2: Convert to fraction form
    4,987,556.50/7,481,650.82 = 2,108,386.72/x
  3. Step 3: Cross multiply
    4,987,556.50x = 7,481,650.82 × 2,108,386.72
  4. Step 4: Simplify right side
    4,987,556.50x = 15,774,213,232,565.11
  5. Step 5: Solve for x
    x = 15,774,213,232,565.11/4,987,556.50
  6. Step 6: Final answer
    x = 3,162,713.69

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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.