Home / 5,321,552.40-7,983,365.40-2,126,134.80

Finding the Fourth Proportional to 5,321,552.40, 7,983,365.40 and 2,126,134.80

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Solution

The fourth proportional to 5,321,552.40, 7,983,365.40 and 2,126,134.80 is: 3,189,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321,552.40 : 7,983,365.40 = 2,126,134.80 : x
  2. Step 2: Convert to fraction form
    5,321,552.40/7,983,365.40 = 2,126,134.80/x
  3. Step 3: Cross multiply
    5,321,552.40x = 7,983,365.40 × 2,126,134.80
  4. Step 4: Simplify right side
    5,321,552.40x = 16,973,710,998,055.92
  5. Step 5: Solve for x
    x = 16,973,710,998,055.92/5,321,552.40
  6. Step 6: Final answer
    x = 3,189,616.44

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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.