Home / 6,875,969.28-9,489,132.88-3,820,183.60

Finding the Fourth Proportional to 6,875,969.28, 9,489,132.88 and 3,820,183.60

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Solution

The fourth proportional to 6,875,969.28, 9,489,132.88 and 3,820,183.60 is: 5,272,017.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875,969.28 : 9,489,132.88 = 3,820,183.60 : x
  2. Step 2: Convert to fraction form
    6,875,969.28/9,489,132.88 = 3,820,183.60/x
  3. Step 3: Cross multiply
    6,875,969.28x = 9,489,132.88 × 3,820,183.60
  4. Step 4: Simplify right side
    6,875,969.28x = 36,250,229,806,396.77
  5. Step 5: Solve for x
    x = 36,250,229,806,396.77/6,875,969.28
  6. Step 6: Final answer
    x = 5,272,017.42

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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.