Home / 6,645,205.53-9,170,383.68-3,589,419.78

Finding the Fourth Proportional to 6,645,205.53, 9,170,383.68 and 3,589,419.78

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Solution

The fourth proportional to 6,645,205.53, 9,170,383.68 and 3,589,419.78 is: 4,953,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,205.53 : 9,170,383.68 = 3,589,419.78 : x
  2. Step 2: Convert to fraction form
    6,645,205.53/9,170,383.68 = 3,589,419.78/x
  3. Step 3: Cross multiply
    6,645,205.53x = 9,170,383.68 × 3,589,419.78
  4. Step 4: Simplify right side
    6,645,205.53x = 32,916,356,571,181.19
  5. Step 5: Solve for x
    x = 32,916,356,571,181.19/6,645,205.53
  6. Step 6: Final answer
    x = 4,953,399.32

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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.