Home / 3,985,982.80-5,969,985.02-1,851,575.30

Finding the Fourth Proportional to 3,985,982.80, 5,969,985.02 and 1,851,575.30

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Solution

The fourth proportional to 3,985,982.80, 5,969,985.02 and 1,851,575.30 is: 2,773,187.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,982.80 : 5,969,985.02 = 1,851,575.30 : x
  2. Step 2: Convert to fraction form
    3,985,982.80/5,969,985.02 = 1,851,575.30/x
  3. Step 3: Cross multiply
    3,985,982.80x = 5,969,985.02 × 1,851,575.30
  4. Step 4: Simplify right side
    3,985,982.80x = 11,053,876,804,402.01
  5. Step 5: Solve for x
    x = 11,053,876,804,402.01/3,985,982.80
  6. Step 6: Final answer
    x = 2,773,187.28

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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.