Home / 3,623,999.09-5,001,121.95-1,992,434.21

Finding the Fourth Proportional to 3,623,999.09, 5,001,121.95 and 1,992,434.21

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Solution

The fourth proportional to 3,623,999.09, 5,001,121.95 and 1,992,434.21 is: 2,749,560.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623,999.09 : 5,001,121.95 = 1,992,434.21 : x
  2. Step 2: Convert to fraction form
    3,623,999.09/5,001,121.95 = 1,992,434.21/x
  3. Step 3: Cross multiply
    3,623,999.09x = 5,001,121.95 × 1,992,434.21
  4. Step 4: Simplify right side
    3,623,999.09x = 9,964,406,461,561.91
  5. Step 5: Solve for x
    x = 9,964,406,461,561.91/3,623,999.09
  6. Step 6: Final answer
    x = 2,749,560.97

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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.