Home / 2,022,785.40-3,036,143.70-1,578,343.80

Finding the Fourth Proportional to 2,022,785.40, 3,036,143.70 and 1,578,343.80

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Solution

The fourth proportional to 2,022,785.40, 3,036,143.70 and 1,578,343.80 is: 2,369,049.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022,785.40 : 3,036,143.70 = 1,578,343.80 : x
  2. Step 2: Convert to fraction form
    2,022,785.40/3,036,143.70 = 1,578,343.80/x
  3. Step 3: Cross multiply
    2,022,785.40x = 3,036,143.70 × 1,578,343.80
  4. Step 4: Simplify right side
    2,022,785.40x = 4,792,078,584,804.06
  5. Step 5: Solve for x
    x = 4,792,078,584,804.06/2,022,785.40
  6. Step 6: Final answer
    x = 2,369,049.42

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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.