Home / 3,604,812.80-5,405,469.60-2,005,678.40

Finding the Fourth Proportional to 3,604,812.80, 5,405,469.60 and 2,005,678.40

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Solution

The fourth proportional to 3,604,812.80, 5,405,469.60 and 2,005,678.40 is: 3,007,544.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604,812.80 : 5,405,469.60 = 2,005,678.40 : x
  2. Step 2: Convert to fraction form
    3,604,812.80/5,405,469.60 = 2,005,678.40/x
  3. Step 3: Cross multiply
    3,604,812.80x = 5,405,469.60 × 2,005,678.40
  4. Step 4: Simplify right side
    3,604,812.80x = 10,841,633,618,576.64
  5. Step 5: Solve for x
    x = 10,841,633,618,576.64/3,604,812.80
  6. Step 6: Final answer
    x = 3,007,544.14

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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.