Home / 2,003,760.90-2,999,736.45-1,330,602.30

Finding the Fourth Proportional to 2,003,760.90, 2,999,736.45 and 1,330,602.30

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Solution

The fourth proportional to 2,003,760.90, 2,999,736.45 and 1,330,602.30 is: 1,991,982.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003,760.90 : 2,999,736.45 = 1,330,602.30 : x
  2. Step 2: Convert to fraction form
    2,003,760.90/2,999,736.45 = 1,330,602.30/x
  3. Step 3: Cross multiply
    2,003,760.90x = 2,999,736.45 × 1,330,602.30
  4. Step 4: Simplify right side
    2,003,760.90x = 3,991,456,219,763.84
  5. Step 5: Solve for x
    x = 3,991,456,219,763.84/2,003,760.90
  6. Step 6: Final answer
    x = 1,991,982.29

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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.