Home / 3,110,905.20-4,293,048.20-1,680,121.20

Finding the Fourth Proportional to 3,110,905.20, 4,293,048.20 and 1,680,121.20

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Solution

The fourth proportional to 3,110,905.20, 4,293,048.20 and 1,680,121.20 is: 2,318,566.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110,905.20 : 4,293,048.20 = 1,680,121.20 : x
  2. Step 2: Convert to fraction form
    3,110,905.20/4,293,048.20 = 1,680,121.20/x
  3. Step 3: Cross multiply
    3,110,905.20x = 4,293,048.20 × 1,680,121.20
  4. Step 4: Simplify right side
    3,110,905.20x = 7,212,841,293,441.84
  5. Step 5: Solve for x
    x = 7,212,841,293,441.84/3,110,905.20
  6. Step 6: Final answer
    x = 2,318,566.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.