Home / 2,188,518.40-3,285,235.20-1,692,083.20

Finding the Fourth Proportional to 2,188,518.40, 3,285,235.20 and 1,692,083.20

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Solution

The fourth proportional to 2,188,518.40, 3,285,235.20 and 1,692,083.20 is: 2,540,024.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,518.40 : 3,285,235.20 = 1,692,083.20 : x
  2. Step 2: Convert to fraction form
    2,188,518.40/3,285,235.20 = 1,692,083.20/x
  3. Step 3: Cross multiply
    2,188,518.40x = 3,285,235.20 × 1,692,083.20
  4. Step 4: Simplify right side
    2,188,518.40x = 5,558,891,289,968.64
  5. Step 5: Solve for x
    x = 5,558,891,289,968.64/2,188,518.40
  6. Step 6: Final answer
    x = 2,540,024.93

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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.