Home / 2,142,455.73-3,213,701.77-545,020.17

Finding the Fourth Proportional to 2,142,455.73, 3,213,701.77 and 545,020.17

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Solution

The fourth proportional to 2,142,455.73, 3,213,701.77 and 545,020.17 is: 817,534.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,455.73 : 3,213,701.77 = 545,020.17 : x
  2. Step 2: Convert to fraction form
    2,142,455.73/3,213,701.77 = 545,020.17/x
  3. Step 3: Cross multiply
    2,142,455.73x = 3,213,701.77 × 545,020.17
  4. Step 4: Simplify right side
    2,142,455.73x = 1,751,532,285,014.70
  5. Step 5: Solve for x
    x = 1,751,532,285,014.70/2,142,455.73
  6. Step 6: Final answer
    x = 817,534.88

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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.