Home / 3,619,784.44-4,995,343.62-1,988,230

Finding the Fourth Proportional to 3,619,784.44, 4,995,343.62 and 1,988,230

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Solution

The fourth proportional to 3,619,784.44, 4,995,343.62 and 1,988,230 is: 2,743,779.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,784.44 : 4,995,343.62 = 1,988,230 : x
  2. Step 2: Convert to fraction form
    3,619,784.44/4,995,343.62 = 1,988,230/x
  3. Step 3: Cross multiply
    3,619,784.44x = 4,995,343.62 × 1,988,230
  4. Step 4: Simplify right side
    3,619,784.44x = 9,931,892,045,592.60
  5. Step 5: Solve for x
    x = 9,931,892,045,592.60/3,619,784.44
  6. Step 6: Final answer
    x = 2,743,779.97

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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.