Home / 5,439,128.14-7,505,838.22-2,991,738.45

Finding the Fourth Proportional to 5,439,128.14, 7,505,838.22 and 2,991,738.45

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Solution

The fourth proportional to 5,439,128.14, 7,505,838.22 and 2,991,738.45 is: 4,128,511.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439,128.14 : 7,505,838.22 = 2,991,738.45 : x
  2. Step 2: Convert to fraction form
    5,439,128.14/7,505,838.22 = 2,991,738.45/x
  3. Step 3: Cross multiply
    5,439,128.14x = 7,505,838.22 × 2,991,738.45
  4. Step 4: Simplify right side
    5,439,128.14x = 22,455,504,802,253.56
  5. Step 5: Solve for x
    x = 22,455,504,802,253.56/5,439,128.14
  6. Step 6: Final answer
    x = 4,128,511.82

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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.