Home / 2,912,412.87-4,369,249.91-1,115,296.43

Finding the Fourth Proportional to 2,912,412.87, 4,369,249.91 and 1,115,296.43

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Solution

The fourth proportional to 2,912,412.87, 4,369,249.91 and 1,115,296.43 is: 1,673,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,412.87 : 4,369,249.91 = 1,115,296.43 : x
  2. Step 2: Convert to fraction form
    2,912,412.87/4,369,249.91 = 1,115,296.43/x
  3. Step 3: Cross multiply
    2,912,412.87x = 4,369,249.91 × 1,115,296.43
  4. Step 4: Simplify right side
    2,912,412.87x = 4,873,008,807,342.81
  5. Step 5: Solve for x
    x = 4,873,008,807,342.81/2,912,412.87
  6. Step 6: Final answer
    x = 1,673,186.13

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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.