Home / 2,036,721.18-3,055,081.31-520,406.97

Finding the Fourth Proportional to 2,036,721.18, 3,055,081.31 and 520,406.97

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Solution

The fourth proportional to 2,036,721.18, 3,055,081.31 and 520,406.97 is: 780,610.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036,721.18 : 3,055,081.31 = 520,406.97 : x
  2. Step 2: Convert to fraction form
    2,036,721.18/3,055,081.31 = 520,406.97/x
  3. Step 3: Cross multiply
    2,036,721.18x = 3,055,081.31 × 520,406.97
  4. Step 4: Simplify right side
    2,036,721.18x = 1,589,885,607,640.73
  5. Step 5: Solve for x
    x = 1,589,885,607,640.73/2,036,721.18
  6. Step 6: Final answer
    x = 780,610.34

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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.