Home / 2,238,708.45-3,089,500.40-1,272,003.42

Finding the Fourth Proportional to 2,238,708.45, 3,089,500.40 and 1,272,003.42

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Solution

The fourth proportional to 2,238,708.45, 3,089,500.40 and 1,272,003.42 is: 1,755,411.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,708.45 : 3,089,500.40 = 1,272,003.42 : x
  2. Step 2: Convert to fraction form
    2,238,708.45/3,089,500.40 = 1,272,003.42/x
  3. Step 3: Cross multiply
    2,238,708.45x = 3,089,500.40 × 1,272,003.42
  4. Step 4: Simplify right side
    2,238,708.45x = 3,929,855,078,071.38
  5. Step 5: Solve for x
    x = 3,929,855,078,071.38/2,238,708.45
  6. Step 6: Final answer
    x = 1,755,411.73

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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.