Home / 2,238,712.50-3,089,506.68-1,272,006.53

Finding the Fourth Proportional to 2,238,712.50, 3,089,506.68 and 1,272,006.53

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Solution

The fourth proportional to 2,238,712.50, 3,089,506.68 and 1,272,006.53 is: 1,755,416.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,712.50 : 3,089,506.68 = 1,272,006.53 : x
  2. Step 2: Convert to fraction form
    2,238,712.50/3,089,506.68 = 1,272,006.53/x
  3. Step 3: Cross multiply
    2,238,712.50x = 3,089,506.68 × 1,272,006.53
  4. Step 4: Simplify right side
    2,238,712.50x = 3,929,872,655,991.09
  5. Step 5: Solve for x
    x = 3,929,872,655,991.09/2,238,712.50
  6. Step 6: Final answer
    x = 1,755,416.41

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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.