Home / 2,019,603.20-3,027,898.20-1,220,716.40

Finding the Fourth Proportional to 2,019,603.20, 3,027,898.20 and 1,220,716.40

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Solution

The fourth proportional to 2,019,603.20, 3,027,898.20 and 1,220,716.40 is: 1,830,163.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,603.20 : 3,027,898.20 = 1,220,716.40 : x
  2. Step 2: Convert to fraction form
    2,019,603.20/3,027,898.20 = 1,220,716.40/x
  3. Step 3: Cross multiply
    2,019,603.20x = 3,027,898.20 × 1,220,716.40
  4. Step 4: Simplify right side
    2,019,603.20x = 3,696,204,990,270.48
  5. Step 5: Solve for x
    x = 3,696,204,990,270.48/2,019,603.20
  6. Step 6: Final answer
    x = 1,830,163.96

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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.