Home / 3,108,987.99-4,290,412.22-1,802,493.33

Finding the Fourth Proportional to 3,108,987.99, 4,290,412.22 and 1,802,493.33

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Solution

The fourth proportional to 3,108,987.99, 4,290,412.22 and 1,802,493.33 is: 2,487,445.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,987.99 : 4,290,412.22 = 1,802,493.33 : x
  2. Step 2: Convert to fraction form
    3,108,987.99/4,290,412.22 = 1,802,493.33/x
  3. Step 3: Cross multiply
    3,108,987.99x = 4,290,412.22 × 1,802,493.33
  4. Step 4: Simplify right side
    3,108,987.99x = 7,733,439,379,035.97
  5. Step 5: Solve for x
    x = 7,733,439,379,035.97/3,108,987.99
  6. Step 6: Final answer
    x = 2,487,445.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.