Home / 6,396,815.40-9,596,883.90-1,909,091.88

Finding the Fourth Proportional to 6,396,815.40, 9,596,883.90 and 1,909,091.88

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Solution

The fourth proportional to 6,396,815.40, 9,596,883.90 and 1,909,091.88 is: 2,864,133.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396,815.40 : 9,596,883.90 = 1,909,091.88 : x
  2. Step 2: Convert to fraction form
    6,396,815.40/9,596,883.90 = 1,909,091.88/x
  3. Step 3: Cross multiply
    6,396,815.40x = 9,596,883.90 × 1,909,091.88
  4. Step 4: Simplify right side
    6,396,815.40x = 18,321,333,126,792.73
  5. Step 5: Solve for x
    x = 18,321,333,126,792.73/6,396,815.40
  6. Step 6: Final answer
    x = 2,864,133.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.