Home / 6,718,922.40-9,271,713.42-3,817,910.64

Finding the Fourth Proportional to 6,718,922.40, 9,271,713.42 and 3,817,910.64

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Solution

The fourth proportional to 6,718,922.40, 9,271,713.42 and 3,817,910.64 is: 5,268,489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718,922.40 : 9,271,713.42 = 3,817,910.64 : x
  2. Step 2: Convert to fraction form
    6,718,922.40/9,271,713.42 = 3,817,910.64/x
  3. Step 3: Cross multiply
    6,718,922.40x = 9,271,713.42 × 3,817,910.64
  4. Step 4: Simplify right side
    6,718,922.40x = 35,398,573,317,248.79
  5. Step 5: Solve for x
    x = 35,398,573,317,248.79/6,718,922.40
  6. Step 6: Final answer
    x = 5,268,489.68

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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.