Home / 3,622,637.61-4,999,291.65-1,991,195.82

Finding the Fourth Proportional to 3,622,637.61, 4,999,291.65 and 1,991,195.82

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Solution

The fourth proportional to 3,622,637.61, 4,999,291.65 and 1,991,195.82 is: 2,747,878.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,637.61 : 4,999,291.65 = 1,991,195.82 : x
  2. Step 2: Convert to fraction form
    3,622,637.61/4,999,291.65 = 1,991,195.82/x
  3. Step 3: Cross multiply
    3,622,637.61x = 4,999,291.65 × 1,991,195.82
  4. Step 4: Simplify right side
    3,622,637.61x = 9,954,568,636,440.90
  5. Step 5: Solve for x
    x = 9,954,568,636,440.90/3,622,637.61
  6. Step 6: Final answer
    x = 2,747,878.68

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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.