Home / 2,142,458.73-3,213,706.27-545,023.17

Finding the Fourth Proportional to 2,142,458.73, 3,213,706.27 and 545,023.17

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Solution

The fourth proportional to 2,142,458.73, 3,213,706.27 and 545,023.17 is: 817,539.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,458.73 : 3,213,706.27 = 545,023.17 : x
  2. Step 2: Convert to fraction form
    2,142,458.73/3,213,706.27 = 545,023.17/x
  3. Step 3: Cross multiply
    2,142,458.73x = 3,213,706.27 × 545,023.17
  4. Step 4: Simplify right side
    2,142,458.73x = 1,751,544,378,724.28
  5. Step 5: Solve for x
    x = 1,751,544,378,724.28/2,142,458.73
  6. Step 6: Final answer
    x = 817,539.38

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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.