Home / 2,021,699.46-3,019,441.70-1,831,780.38

Finding the Fourth Proportional to 2,021,699.46, 3,019,441.70 and 1,831,780.38

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Solution

The fourth proportional to 2,021,699.46, 3,019,441.70 and 1,831,780.38 is: 2,735,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,699.46 : 3,019,441.70 = 1,831,780.38 : x
  2. Step 2: Convert to fraction form
    2,021,699.46/3,019,441.70 = 1,831,780.38/x
  3. Step 3: Cross multiply
    2,021,699.46x = 3,019,441.70 × 1,831,780.38
  4. Step 4: Simplify right side
    2,021,699.46x = 5,530,954,055,454.94
  5. Step 5: Solve for x
    x = 5,530,954,055,454.94/2,021,699.46
  6. Step 6: Final answer
    x = 2,735,794.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.