Home / 2,811,335.40-4,217,003.10-1,394,159.40

Finding the Fourth Proportional to 2,811,335.40, 4,217,003.10 and 1,394,159.40

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Solution

The fourth proportional to 2,811,335.40, 4,217,003.10 and 1,394,159.40 is: 2,091,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,335.40 : 4,217,003.10 = 1,394,159.40 : x
  2. Step 2: Convert to fraction form
    2,811,335.40/4,217,003.10 = 1,394,159.40/x
  3. Step 3: Cross multiply
    2,811,335.40x = 4,217,003.10 × 1,394,159.40
  4. Step 4: Simplify right side
    2,811,335.40x = 5,879,174,511,694.14
  5. Step 5: Solve for x
    x = 5,879,174,511,694.14/2,811,335.40
  6. Step 6: Final answer
    x = 2,091,239.10

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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.