Home / 6,821,419.32-9,413,729.82-3,881,074.32

Finding the Fourth Proportional to 6,821,419.32, 9,413,729.82 and 3,881,074.32

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Solution

The fourth proportional to 6,821,419.32, 9,413,729.82 and 3,881,074.32 is: 5,355,979.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821,419.32 : 9,413,729.82 = 3,881,074.32 : x
  2. Step 2: Convert to fraction form
    6,821,419.32/9,413,729.82 = 3,881,074.32/x
  3. Step 3: Cross multiply
    6,821,419.32x = 9,413,729.82 × 3,881,074.32
  4. Step 4: Simplify right side
    6,821,419.32x = 36,535,385,059,820.22
  5. Step 5: Solve for x
    x = 36,535,385,059,820.22/6,821,419.32
  6. Step 6: Final answer
    x = 5,355,979.94

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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.