Home / 3,185,843.80-4,778,011.14-911,298.20

Finding the Fourth Proportional to 3,185,843.80, 4,778,011.14 and 911,298.20

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Solution

The fourth proportional to 3,185,843.80, 4,778,011.14 and 911,298.20 is: 1,366,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185,843.80 : 4,778,011.14 = 911,298.20 : x
  2. Step 2: Convert to fraction form
    3,185,843.80/4,778,011.14 = 911,298.20/x
  3. Step 3: Cross multiply
    3,185,843.80x = 4,778,011.14 × 911,298.20
  4. Step 4: Simplify right side
    3,185,843.80x = 4,354,192,951,461.95
  5. Step 5: Solve for x
    x = 4,354,192,951,461.95/3,185,843.80
  6. Step 6: Final answer
    x = 1,366,731.46

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Similar ratio
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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.