Home / 2,669,904.67-4,005,043.80-1,321,705.30

Finding the Fourth Proportional to 2,669,904.67, 4,005,043.80 and 1,321,705.30

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Solution

The fourth proportional to 2,669,904.67, 4,005,043.80 and 1,321,705.30 is: 1,982,650.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669,904.67 : 4,005,043.80 = 1,321,705.30 : x
  2. Step 2: Convert to fraction form
    2,669,904.67/4,005,043.80 = 1,321,705.30/x
  3. Step 3: Cross multiply
    2,669,904.67x = 4,005,043.80 × 1,321,705.30
  4. Step 4: Simplify right side
    2,669,904.67x = 5,293,487,617,192.14
  5. Step 5: Solve for x
    x = 5,293,487,617,192.14/2,669,904.67
  6. Step 6: Final answer
    x = 1,982,650.42

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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.