Home / 3,403,200.80-5,098,580.40-2,768,679.20

Finding the Fourth Proportional to 3,403,200.80, 5,098,580.40 and 2,768,679.20

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Solution

The fourth proportional to 3,403,200.80, 5,098,580.40 and 2,768,679.20 is: 4,147,957.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403,200.80 : 5,098,580.40 = 2,768,679.20 : x
  2. Step 2: Convert to fraction form
    3,403,200.80/5,098,580.40 = 2,768,679.20/x
  3. Step 3: Cross multiply
    3,403,200.80x = 5,098,580.40 × 2,768,679.20
  4. Step 4: Simplify right side
    3,403,200.80x = 14,116,333,503,007.68
  5. Step 5: Solve for x
    x = 14,116,333,503,007.68/3,403,200.80
  6. Step 6: Final answer
    x = 4,147,957.86

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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.