Home / 3,622,648.12-4,999,306.14-1,991,206.32

Finding the Fourth Proportional to 3,622,648.12, 4,999,306.14 and 1,991,206.32

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Solution

The fourth proportional to 3,622,648.12, 4,999,306.14 and 1,991,206.32 is: 2,747,893.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,648.12 : 4,999,306.14 = 1,991,206.32 : x
  2. Step 2: Convert to fraction form
    3,622,648.12/4,999,306.14 = 1,991,206.32/x
  3. Step 3: Cross multiply
    3,622,648.12x = 4,999,306.14 × 1,991,206.32
  4. Step 4: Simplify right side
    3,622,648.12x = 9,954,649,981,582.81
  5. Step 5: Solve for x
    x = 9,954,649,981,582.81/3,622,648.12
  6. Step 6: Final answer
    x = 2,747,893.16

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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.