Home / 2,028,738.40-2,799,639.06-1,098,441.62

Finding the Fourth Proportional to 2,028,738.40, 2,799,639.06 and 1,098,441.62

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Solution

The fourth proportional to 2,028,738.40, 2,799,639.06 and 1,098,441.62 is: 1,515,838.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028,738.40 : 2,799,639.06 = 1,098,441.62 : x
  2. Step 2: Convert to fraction form
    2,028,738.40/2,799,639.06 = 1,098,441.62/x
  3. Step 3: Cross multiply
    2,028,738.40x = 2,799,639.06 × 1,098,441.62
  4. Step 4: Simplify right side
    2,028,738.40x = 3,075,240,078,789.68
  5. Step 5: Solve for x
    x = 3,075,240,078,789.68/2,028,738.40
  6. Step 6: Final answer
    x = 1,515,838.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.