Home / 5,123,151.84-7,680,580.56-2,133,573.60

Finding the Fourth Proportional to 5,123,151.84, 7,680,580.56 and 2,133,573.60

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Solution

The fourth proportional to 5,123,151.84, 7,680,580.56 and 2,133,573.60 is: 3,198,633.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123,151.84 : 7,680,580.56 = 2,133,573.60 : x
  2. Step 2: Convert to fraction form
    5,123,151.84/7,680,580.56 = 2,133,573.60/x
  3. Step 3: Cross multiply
    5,123,151.84x = 7,680,580.56 × 2,133,573.60
  4. Step 4: Simplify right side
    5,123,151.84x = 16,387,083,915,489.22
  5. Step 5: Solve for x
    x = 16,387,083,915,489.22/5,123,151.84
  6. Step 6: Final answer
    x = 3,198,633.27

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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.