Home / 3,985,972.31-5,969,969.28-1,851,564.80

Finding the Fourth Proportional to 3,985,972.31, 5,969,969.28 and 1,851,564.80

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Solution

The fourth proportional to 3,985,972.31, 5,969,969.28 and 1,851,564.80 is: 2,773,171.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,972.31 : 5,969,969.28 = 1,851,564.80 : x
  2. Step 2: Convert to fraction form
    3,985,972.31/5,969,969.28 = 1,851,564.80/x
  3. Step 3: Cross multiply
    3,985,972.31x = 5,969,969.28 × 1,851,564.80
  4. Step 4: Simplify right side
    3,985,972.31x = 11,053,784,946,079.50
  5. Step 5: Solve for x
    x = 11,053,784,946,079.50/3,985,972.31
  6. Step 6: Final answer
    x = 2,773,171.54

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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.