Home / 4,911,273.71-7,361,324.15-2,987,945.21

Finding the Fourth Proportional to 4,911,273.71, 7,361,324.15 and 2,987,945.21

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Solution

The fourth proportional to 4,911,273.71, 7,361,324.15 and 2,987,945.21 is: 4,478,519.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911,273.71 : 7,361,324.15 = 2,987,945.21 : x
  2. Step 2: Convert to fraction form
    4,911,273.71/7,361,324.15 = 2,987,945.21/x
  3. Step 3: Cross multiply
    4,911,273.71x = 7,361,324.15 × 2,987,945.21
  4. Step 4: Simplify right side
    4,911,273.71x = 21,995,233,236,713.40
  5. Step 5: Solve for x
    x = 21,995,233,236,713.40/4,911,273.71
  6. Step 6: Final answer
    x = 4,478,519.13

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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.