Home / 2,198,621.80-3,295,308.30-1,133,115.40

Finding the Fourth Proportional to 2,198,621.80, 3,295,308.30 and 1,133,115.40

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Solution

The fourth proportional to 2,198,621.80, 3,295,308.30 and 1,133,115.40 is: 1,698,320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,621.80 : 3,295,308.30 = 1,133,115.40 : x
  2. Step 2: Convert to fraction form
    2,198,621.80/3,295,308.30 = 1,133,115.40/x
  3. Step 3: Cross multiply
    2,198,621.80x = 3,295,308.30 × 1,133,115.40
  4. Step 4: Simplify right side
    2,198,621.80x = 3,733,964,582,477.82
  5. Step 5: Solve for x
    x = 3,733,964,582,477.82/2,198,621.80
  6. Step 6: Final answer
    x = 1,698,320.55

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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.