Home / 5,419,768.32-7,479,417.60-2,972,476.80

Finding the Fourth Proportional to 5,419,768.32, 7,479,417.60 and 2,972,476.80

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Solution

The fourth proportional to 5,419,768.32, 7,479,417.60 and 2,972,476.80 is: 4,102,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419,768.32 : 7,479,417.60 = 2,972,476.80 : x
  2. Step 2: Convert to fraction form
    5,419,768.32/7,479,417.60 = 2,972,476.80/x
  3. Step 3: Cross multiply
    5,419,768.32x = 7,479,417.60 × 2,972,476.80
  4. Step 4: Simplify right side
    5,419,768.32x = 22,232,395,293,511.68
  5. Step 5: Solve for x
    x = 22,232,395,293,511.68/5,419,768.32
  6. Step 6: Final answer
    x = 4,102,093.30

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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.