Home / 2,181,550.29-3,272,451.21-665,285.01

Finding the Fourth Proportional to 2,181,550.29, 3,272,451.21 and 665,285.01

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Solution

The fourth proportional to 2,181,550.29, 3,272,451.21 and 665,285.01 is: 997,965.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,550.29 : 3,272,451.21 = 665,285.01 : x
  2. Step 2: Convert to fraction form
    2,181,550.29/3,272,451.21 = 665,285.01/x
  3. Step 3: Cross multiply
    2,181,550.29x = 3,272,451.21 × 665,285.01
  4. Step 4: Simplify right side
    2,181,550.29x = 2,177,112,735,969.36
  5. Step 5: Solve for x
    x = 2,177,112,735,969.36/2,181,550.29
  6. Step 6: Final answer
    x = 997,965.87

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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.