Home / 3,881,823.76-5,356,845.36-2,162,907.28

Finding the Fourth Proportional to 3,881,823.76, 5,356,845.36 and 2,162,907.28

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Solution

The fourth proportional to 3,881,823.76, 5,356,845.36 and 2,162,907.28 is: 2,984,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881,823.76 : 5,356,845.36 = 2,162,907.28 : x
  2. Step 2: Convert to fraction form
    3,881,823.76/5,356,845.36 = 2,162,907.28/x
  3. Step 3: Cross multiply
    3,881,823.76x = 5,356,845.36 × 2,162,907.28
  4. Step 4: Simplify right side
    3,881,823.76x = 11,586,359,826,978.22
  5. Step 5: Solve for x
    x = 11,586,359,826,978.22/3,881,823.76
  6. Step 6: Final answer
    x = 2,984,772.25

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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.