Home / 2,122,813.44-3,185,464.32-1,523,128.32

Finding the Fourth Proportional to 2,122,813.44, 3,185,464.32 and 1,523,128.32

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Solution

The fourth proportional to 2,122,813.44, 3,185,464.32 and 1,523,128.32 is: 2,285,585.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,813.44 : 3,185,464.32 = 1,523,128.32 : x
  2. Step 2: Convert to fraction form
    2,122,813.44/3,185,464.32 = 1,523,128.32/x
  3. Step 3: Cross multiply
    2,122,813.44x = 3,185,464.32 × 1,523,128.32
  4. Step 4: Simplify right side
    2,122,813.44x = 4,851,870,918,141.54
  5. Step 5: Solve for x
    x = 4,851,870,918,141.54/2,122,813.44
  6. Step 6: Final answer
    x = 2,285,585.17

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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.