Home / 2,804,120.80-4,206,181.20-911,053.60

Finding the Fourth Proportional to 2,804,120.80, 4,206,181.20 and 911,053.60

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Solution

The fourth proportional to 2,804,120.80, 4,206,181.20 and 911,053.60 is: 1,366,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804,120.80 : 4,206,181.20 = 911,053.60 : x
  2. Step 2: Convert to fraction form
    2,804,120.80/4,206,181.20 = 911,053.60/x
  3. Step 3: Cross multiply
    2,804,120.80x = 4,206,181.20 × 911,053.60
  4. Step 4: Simplify right side
    2,804,120.80x = 3,832,056,524,512.32
  5. Step 5: Solve for x
    x = 3,832,056,524,512.32/2,804,120.80
  6. Step 6: Final answer
    x = 1,366,580.40

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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.