Home / 2,071,921.09-3,107,859.77-809,737.78

Finding the Fourth Proportional to 2,071,921.09, 3,107,859.77 and 809,737.78

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Solution

The fourth proportional to 2,071,921.09, 3,107,859.77 and 809,737.78 is: 1,214,598.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,921.09 : 3,107,859.77 = 809,737.78 : x
  2. Step 2: Convert to fraction form
    2,071,921.09/3,107,859.77 = 809,737.78/x
  3. Step 3: Cross multiply
    2,071,921.09x = 3,107,859.77 × 809,737.78
  4. Step 4: Simplify right side
    2,071,921.09x = 2,516,551,472,065.51
  5. Step 5: Solve for x
    x = 2,516,551,472,065.51/2,071,921.09
  6. Step 6: Final answer
    x = 1,214,598.12

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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.