Home / 2,105,283.28-3,158,039.77-665,859.18

Finding the Fourth Proportional to 2,105,283.28, 3,158,039.77 and 665,859.18

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Solution

The fourth proportional to 2,105,283.28, 3,158,039.77 and 665,859.18 is: 998,825.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,283.28 : 3,158,039.77 = 665,859.18 : x
  2. Step 2: Convert to fraction form
    2,105,283.28/3,158,039.77 = 665,859.18/x
  3. Step 3: Cross multiply
    2,105,283.28x = 3,158,039.77 × 665,859.18
  4. Step 4: Simplify right side
    2,105,283.28x = 2,102,809,783,710.32
  5. Step 5: Solve for x
    x = 2,102,809,783,710.32/2,105,283.28
  6. Step 6: Final answer
    x = 998,825.10

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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.