Home / 3,476,485.75-5,217,042.47-1,428,825.55

Finding the Fourth Proportional to 3,476,485.75, 5,217,042.47 and 1,428,825.55

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Solution

The fourth proportional to 3,476,485.75, 5,217,042.47 and 1,428,825.55 is: 2,144,189.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476,485.75 : 5,217,042.47 = 1,428,825.55 : x
  2. Step 2: Convert to fraction form
    3,476,485.75/5,217,042.47 = 1,428,825.55/x
  3. Step 3: Cross multiply
    3,476,485.75x = 5,217,042.47 × 1,428,825.55
  4. Step 4: Simplify right side
    3,476,485.75x = 7,454,243,576,571.11
  5. Step 5: Solve for x
    x = 7,454,243,576,571.11/3,476,485.75
  6. Step 6: Final answer
    x = 2,144,189.31

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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.