Home / 1,818,761.48-2,728,142.04-1,020,105.29

Finding the Fourth Proportional to 1,818,761.48, 2,728,142.04 and 1,020,105.29

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Solution

The fourth proportional to 1,818,761.48, 2,728,142.04 and 1,020,105.29 is: 1,530,157.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,761.48 : 2,728,142.04 = 1,020,105.29 : x
  2. Step 2: Convert to fraction form
    1,818,761.48/2,728,142.04 = 1,020,105.29/x
  3. Step 3: Cross multiply
    1,818,761.48x = 2,728,142.04 × 1,020,105.29
  4. Step 4: Simplify right side
    1,818,761.48x = 2,782,992,133,695.75
  5. Step 5: Solve for x
    x = 2,782,992,133,695.75/1,818,761.48
  6. Step 6: Final answer
    x = 1,530,157.84

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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.