Home / 3,437,185.38-5,155,784.82-1,278,683.79

Finding the Fourth Proportional to 3,437,185.38, 5,155,784.82 and 1,278,683.79

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Solution

The fourth proportional to 3,437,185.38, 5,155,784.82 and 1,278,683.79 is: 1,918,028.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437,185.38 : 5,155,784.82 = 1,278,683.79 : x
  2. Step 2: Convert to fraction form
    3,437,185.38/5,155,784.82 = 1,278,683.79/x
  3. Step 3: Cross multiply
    3,437,185.38x = 5,155,784.82 × 1,278,683.79
  4. Step 4: Simplify right side
    3,437,185.38x = 6,592,618,474,062.07
  5. Step 5: Solve for x
    x = 6,592,618,474,062.07/3,437,185.38
  6. Step 6: Final answer
    x = 1,918,028.20

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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.