Home / 2,201,204.70-3,301,807.05-1,988,628.30

Finding the Fourth Proportional to 2,201,204.70, 3,301,807.05 and 1,988,628.30

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Solution

The fourth proportional to 2,201,204.70, 3,301,807.05 and 1,988,628.30 is: 2,982,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201,204.70 : 3,301,807.05 = 1,988,628.30 : x
  2. Step 2: Convert to fraction form
    2,201,204.70/3,301,807.05 = 1,988,628.30/x
  3. Step 3: Cross multiply
    2,201,204.70x = 3,301,807.05 × 1,988,628.30
  4. Step 4: Simplify right side
    2,201,204.70x = 6,566,066,940,769.52
  5. Step 5: Solve for x
    x = 6,566,066,940,769.52/2,201,204.70
  6. Step 6: Final answer
    x = 2,982,942.45

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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.