Home / 5,305,378.05-7,958,057.13-1,662,386.83

Finding the Fourth Proportional to 5,305,378.05, 7,958,057.13 and 1,662,386.83

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Solution

The fourth proportional to 5,305,378.05, 7,958,057.13 and 1,662,386.83 is: 2,493,577.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305,378.05 : 7,958,057.13 = 1,662,386.83 : x
  2. Step 2: Convert to fraction form
    5,305,378.05/7,958,057.13 = 1,662,386.83/x
  3. Step 3: Cross multiply
    5,305,378.05x = 7,958,057.13 × 1,662,386.83
  4. Step 4: Simplify right side
    5,305,378.05x = 13,229,369,345,404.45
  5. Step 5: Solve for x
    x = 13,229,369,345,404.45/5,305,378.05
  6. Step 6: Final answer
    x = 2,493,577.13

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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.