Home / 3,548,321.49-5,322,405.86-989,468.32

Finding the Fourth Proportional to 3,548,321.49, 5,322,405.86 and 989,468.32

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Solution

The fourth proportional to 3,548,321.49, 5,322,405.86 and 989,468.32 is: 1,484,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548,321.49 : 5,322,405.86 = 989,468.32 : x
  2. Step 2: Convert to fraction form
    3,548,321.49/5,322,405.86 = 989,468.32/x
  3. Step 3: Cross multiply
    3,548,321.49x = 5,322,405.86 × 989,468.32
  4. Step 4: Simplify right side
    3,548,321.49x = 5,266,351,986,878.11
  5. Step 5: Solve for x
    x = 5,266,351,986,878.11/3,548,321.49
  6. Step 6: Final answer
    x = 1,484,181.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.