Home / 2,191,399.83-3,024,125.10-1,224,531.09

Finding the Fourth Proportional to 2,191,399.83, 3,024,125.10 and 1,224,531.09

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Solution

The fourth proportional to 2,191,399.83, 3,024,125.10 and 1,224,531.09 is: 1,689,849.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,399.83 : 3,024,125.10 = 1,224,531.09 : x
  2. Step 2: Convert to fraction form
    2,191,399.83/3,024,125.10 = 1,224,531.09/x
  3. Step 3: Cross multiply
    2,191,399.83x = 3,024,125.10 × 1,224,531.09
  4. Step 4: Simplify right side
    2,191,399.83x = 3,703,135,204,999.36
  5. Step 5: Solve for x
    x = 3,703,135,204,999.36/2,191,399.83
  6. Step 6: Final answer
    x = 1,689,849.18

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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.