Home / 3,691,486.40-5,538,266.40-1,798,289.60

Finding the Fourth Proportional to 3,691,486.40, 5,538,266.40 and 1,798,289.60

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Solution

The fourth proportional to 3,691,486.40, 5,538,266.40 and 1,798,289.60 is: 2,697,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691,486.40 : 5,538,266.40 = 1,798,289.60 : x
  2. Step 2: Convert to fraction form
    3,691,486.40/5,538,266.40 = 1,798,289.60/x
  3. Step 3: Cross multiply
    3,691,486.40x = 5,538,266.40 × 1,798,289.60
  4. Step 4: Simplify right side
    3,691,486.40x = 9,959,406,869,149.44
  5. Step 5: Solve for x
    x = 9,959,406,869,149.44/3,691,486.40
  6. Step 6: Final answer
    x = 2,697,939.47

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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.