Home / 2,721,442.05-4,081,190.40-899,469.90

Finding the Fourth Proportional to 2,721,442.05, 4,081,190.40 and 899,469.90

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Solution

The fourth proportional to 2,721,442.05, 4,081,190.40 and 899,469.90 is: 1,348,883.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721,442.05 : 4,081,190.40 = 899,469.90 : x
  2. Step 2: Convert to fraction form
    2,721,442.05/4,081,190.40 = 899,469.90/x
  3. Step 3: Cross multiply
    2,721,442.05x = 4,081,190.40 × 899,469.90
  4. Step 4: Simplify right side
    2,721,442.05x = 3,670,907,920,968.96
  5. Step 5: Solve for x
    x = 3,670,907,920,968.96/2,721,442.05
  6. Step 6: Final answer
    x = 1,348,883.37

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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.