Home / 2,028,202.90-2,798,041.41-1,222,939.54

Finding the Fourth Proportional to 2,028,202.90, 2,798,041.41 and 1,222,939.54

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Solution

The fourth proportional to 2,028,202.90, 2,798,041.41 and 1,222,939.54 is: 1,687,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028,202.90 : 2,798,041.41 = 1,222,939.54 : x
  2. Step 2: Convert to fraction form
    2,028,202.90/2,798,041.41 = 1,222,939.54/x
  3. Step 3: Cross multiply
    2,028,202.90x = 2,798,041.41 × 1,222,939.54
  4. Step 4: Simplify right side
    2,028,202.90x = 3,421,835,474,846.35
  5. Step 5: Solve for x
    x = 3,421,835,474,846.35/2,028,202.90
  6. Step 6: Final answer
    x = 1,687,126.80

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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.