Home / 3,436,969.30-4,743,167.75-1,909,076.42

Finding the Fourth Proportional to 3,436,969.30, 4,743,167.75 and 1,909,076.42

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Solution

The fourth proportional to 3,436,969.30, 4,743,167.75 and 1,909,076.42 is: 2,634,608.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,969.30 : 4,743,167.75 = 1,909,076.42 : x
  2. Step 2: Convert to fraction form
    3,436,969.30/4,743,167.75 = 1,909,076.42/x
  3. Step 3: Cross multiply
    3,436,969.30x = 4,743,167.75 × 1,909,076.42
  4. Step 4: Simplify right side
    3,436,969.30x = 9,055,069,707,629.46
  5. Step 5: Solve for x
    x = 9,055,069,707,629.46/3,436,969.30
  6. Step 6: Final answer
    x = 2,634,608.84

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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.