Home / 1,608,828.94-2,221,625.01-1,200,221.11

Finding the Fourth Proportional to 1,608,828.94, 2,221,625.01 and 1,200,221.11

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Solution

The fourth proportional to 1,608,828.94, 2,221,625.01 and 1,200,221.11 is: 1,657,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,828.94 : 2,221,625.01 = 1,200,221.11 : x
  2. Step 2: Convert to fraction form
    1,608,828.94/2,221,625.01 = 1,200,221.11/x
  3. Step 3: Cross multiply
    1,608,828.94x = 2,221,625.01 × 1,200,221.11
  4. Step 4: Simplify right side
    1,608,828.94x = 2,666,441,235,505.96
  5. Step 5: Solve for x
    x = 2,666,441,235,505.96/1,608,828.94
  6. Step 6: Final answer
    x = 1,657,380.20

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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.