Home / 3,618,539.20-5,419,935.60-2,196,114.40

Finding the Fourth Proportional to 3,618,539.20, 5,419,935.60 and 2,196,114.40

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Solution

The fourth proportional to 3,618,539.20, 5,419,935.60 and 2,196,114.40 is: 3,289,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,539.20 : 5,419,935.60 = 2,196,114.40 : x
  2. Step 2: Convert to fraction form
    3,618,539.20/5,419,935.60 = 2,196,114.40/x
  3. Step 3: Cross multiply
    3,618,539.20x = 5,419,935.60 × 2,196,114.40
  4. Step 4: Simplify right side
    3,618,539.20x = 11,902,798,618,232.64
  5. Step 5: Solve for x
    x = 11,902,798,618,232.64/3,618,539.20
  6. Step 6: Final answer
    x = 3,289,393.30

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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.