Home / 5,112,998.28-7,056,085.26-2,821,306.56

Finding the Fourth Proportional to 5,112,998.28, 7,056,085.26 and 2,821,306.56

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Solution

The fourth proportional to 5,112,998.28, 7,056,085.26 and 2,821,306.56 is: 3,893,484.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,998.28 : 7,056,085.26 = 2,821,306.56 : x
  2. Step 2: Convert to fraction form
    5,112,998.28/7,056,085.26 = 2,821,306.56/x
  3. Step 3: Cross multiply
    5,112,998.28x = 7,056,085.26 × 2,821,306.56
  4. Step 4: Simplify right side
    5,112,998.28x = 19,907,379,631,957.30
  5. Step 5: Solve for x
    x = 19,907,379,631,957.30/5,112,998.28
  6. Step 6: Final answer
    x = 3,893,484.52

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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.