Home / 2,015,999.90-3,023,999.85-1,218,182.30

Finding the Fourth Proportional to 2,015,999.90, 3,023,999.85 and 1,218,182.30

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Solution

The fourth proportional to 2,015,999.90, 3,023,999.85 and 1,218,182.30 is: 1,827,273.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,999.90 : 3,023,999.85 = 1,218,182.30 : x
  2. Step 2: Convert to fraction form
    2,015,999.90/3,023,999.85 = 1,218,182.30/x
  3. Step 3: Cross multiply
    2,015,999.90x = 3,023,999.85 × 1,218,182.30
  4. Step 4: Simplify right side
    2,015,999.90x = 3,683,783,092,472.66
  5. Step 5: Solve for x
    x = 3,683,783,092,472.66/2,015,999.90
  6. Step 6: Final answer
    x = 1,827,273.45

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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.