Home / 3,988,051.20-5,503,303.68-2,269,136.64

Finding the Fourth Proportional to 3,988,051.20, 5,503,303.68 and 2,269,136.64

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Solution

The fourth proportional to 3,988,051.20, 5,503,303.68 and 2,269,136.64 is: 3,131,290.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,051.20 : 5,503,303.68 = 2,269,136.64 : x
  2. Step 2: Convert to fraction form
    3,988,051.20/5,503,303.68 = 2,269,136.64/x
  3. Step 3: Cross multiply
    3,988,051.20x = 5,503,303.68 × 2,269,136.64
  4. Step 4: Simplify right side
    3,988,051.20x = 12,487,748,021,334.84
  5. Step 5: Solve for x
    x = 12,487,748,021,334.84/3,988,051.20
  6. Step 6: Final answer
    x = 3,131,290.80

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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.