Home / 3,556,709.37-5,336,062.79-1,428,288.03

Finding the Fourth Proportional to 3,556,709.37, 5,336,062.79 and 1,428,288.03

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Solution

The fourth proportional to 3,556,709.37, 5,336,062.79 and 1,428,288.03 is: 2,142,833.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556,709.37 : 5,336,062.79 = 1,428,288.03 : x
  2. Step 2: Convert to fraction form
    3,556,709.37/5,336,062.79 = 1,428,288.03/x
  3. Step 3: Cross multiply
    3,556,709.37x = 5,336,062.79 × 1,428,288.03
  4. Step 4: Simplify right side
    3,556,709.37x = 7,621,434,603,143.96
  5. Step 5: Solve for x
    x = 7,621,434,603,143.96/3,556,709.37
  6. Step 6: Final answer
    x = 2,142,833.11

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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.