Home / 5,438,324.45-7,505,007.72-2,991,059.40

Finding the Fourth Proportional to 5,438,324.45, 7,505,007.72 and 2,991,059.40

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Solution

The fourth proportional to 5,438,324.45, 7,505,007.72 and 2,991,059.40 is: 4,127,727.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438,324.45 : 7,505,007.72 = 2,991,059.40 : x
  2. Step 2: Convert to fraction form
    5,438,324.45/7,505,007.72 = 2,991,059.40/x
  3. Step 3: Cross multiply
    5,438,324.45x = 7,505,007.72 × 2,991,059.40
  4. Step 4: Simplify right side
    5,438,324.45x = 22,447,923,887,978.57
  5. Step 5: Solve for x
    x = 22,447,923,887,978.57/5,438,324.45
  6. Step 6: Final answer
    x = 4,127,727.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.