Home / 2,115,249.43-2,916,224.90-1,681,116.43

Finding the Fourth Proportional to 2,115,249.43, 2,916,224.90 and 1,681,116.43

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Solution

The fourth proportional to 2,115,249.43, 2,916,224.90 and 1,681,116.43 is: 2,317,699.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,249.43 : 2,916,224.90 = 1,681,116.43 : x
  2. Step 2: Convert to fraction form
    2,115,249.43/2,916,224.90 = 1,681,116.43/x
  3. Step 3: Cross multiply
    2,115,249.43x = 2,916,224.90 × 1,681,116.43
  4. Step 4: Simplify right side
    2,115,249.43x = 4,902,513,585,674.55
  5. Step 5: Solve for x
    x = 4,902,513,585,674.55/2,115,249.43
  6. Step 6: Final answer
    x = 2,317,699.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.