Home / 3,622,266.80-4,998,486.48-1,990,638.80

Finding the Fourth Proportional to 3,622,266.80, 4,998,486.48 and 1,990,638.80

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Solution

The fourth proportional to 3,622,266.80, 4,998,486.48 and 1,990,638.80 is: 2,746,948.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,266.80 : 4,998,486.48 = 1,990,638.80 : x
  2. Step 2: Convert to fraction form
    3,622,266.80/4,998,486.48 = 1,990,638.80/x
  3. Step 3: Cross multiply
    3,622,266.80x = 4,998,486.48 × 1,990,638.80
  4. Step 4: Simplify right side
    3,622,266.80x = 9,950,181,128,363.43
  5. Step 5: Solve for x
    x = 9,950,181,128,363.43/3,622,266.80
  6. Step 6: Final answer
    x = 2,746,948.71

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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.