Home / 2,148,812.14-2,965,298.90-1,181,942.40

Finding the Fourth Proportional to 2,148,812.14, 2,965,298.90 and 1,181,942.40

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Solution

The fourth proportional to 2,148,812.14, 2,965,298.90 and 1,181,942.40 is: 1,631,046.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,812.14 : 2,965,298.90 = 1,181,942.40 : x
  2. Step 2: Convert to fraction form
    2,148,812.14/2,965,298.90 = 1,181,942.40/x
  3. Step 3: Cross multiply
    2,148,812.14x = 2,965,298.90 × 1,181,942.40
  4. Step 4: Simplify right side
    2,148,812.14x = 3,504,812,498,583.36
  5. Step 5: Solve for x
    x = 3,504,812,498,583.36/2,148,812.14
  6. Step 6: Final answer
    x = 1,631,046.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.