Home / 2,239,010.55-3,089,835.39-1,272,142.11

Finding the Fourth Proportional to 2,239,010.55, 3,089,835.39 and 1,272,142.11

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Solution

The fourth proportional to 2,239,010.55, 3,089,835.39 and 1,272,142.11 is: 1,755,556.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,010.55 : 3,089,835.39 = 1,272,142.11 : x
  2. Step 2: Convert to fraction form
    2,239,010.55/3,089,835.39 = 1,272,142.11/x
  3. Step 3: Cross multiply
    2,239,010.55x = 3,089,835.39 × 1,272,142.11
  4. Step 4: Simplify right side
    2,239,010.55x = 3,930,709,712,587.27
  5. Step 5: Solve for x
    x = 3,930,709,712,587.27/2,239,010.55
  6. Step 6: Final answer
    x = 1,755,556.58

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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.