Home / 1,515,054.51-2,272,584.35-1,213,367.43

Finding the Fourth Proportional to 1,515,054.51, 2,272,584.35 and 1,213,367.43

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Solution

The fourth proportional to 1,515,054.51, 2,272,584.35 and 1,213,367.43 is: 1,820,053.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,054.51 : 2,272,584.35 = 1,213,367.43 : x
  2. Step 2: Convert to fraction form
    1,515,054.51/2,272,584.35 = 1,213,367.43/x
  3. Step 3: Cross multiply
    1,515,054.51x = 2,272,584.35 × 1,213,367.43
  4. Step 4: Simplify right side
    1,515,054.51x = 2,757,479,820,469.42
  5. Step 5: Solve for x
    x = 2,757,479,820,469.42/1,515,054.51
  6. Step 6: Final answer
    x = 1,820,053.21

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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.