Home / 1,469,113.80-2,203,670.70-1,091,200.20

Finding the Fourth Proportional to 1,469,113.80, 2,203,670.70 and 1,091,200.20

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Solution

The fourth proportional to 1,469,113.80, 2,203,670.70 and 1,091,200.20 is: 1,636,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,113.80 : 2,203,670.70 = 1,091,200.20 : x
  2. Step 2: Convert to fraction form
    1,469,113.80/2,203,670.70 = 1,091,200.20/x
  3. Step 3: Cross multiply
    1,469,113.80x = 2,203,670.70 × 1,091,200.20
  4. Step 4: Simplify right side
    1,469,113.80x = 2,404,645,908,574.14
  5. Step 5: Solve for x
    x = 2,404,645,908,574.14/1,469,113.80
  6. Step 6: Final answer
    x = 1,636,800.30

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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.