Home / 5,305,135.22-7,960,054.51-2,780,189.94

Finding the Fourth Proportional to 5,305,135.22, 7,960,054.51 and 2,780,189.94

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Solution

The fourth proportional to 5,305,135.22, 7,960,054.51 and 2,780,189.94 is: 4,171,517.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305,135.22 : 7,960,054.51 = 2,780,189.94 : x
  2. Step 2: Convert to fraction form
    5,305,135.22/7,960,054.51 = 2,780,189.94/x
  3. Step 3: Cross multiply
    5,305,135.22x = 7,960,054.51 × 2,780,189.94
  4. Step 4: Simplify right side
    5,305,135.22x = 22,130,463,470,553.63
  5. Step 5: Solve for x
    x = 22,130,463,470,553.63/5,305,135.22
  6. Step 6: Final answer
    x = 4,171,517.32

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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.