Home / 2,191,772.12-3,024,588.80-1,224,910.35

Finding the Fourth Proportional to 2,191,772.12, 3,024,588.80 and 1,224,910.35

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Solution

The fourth proportional to 2,191,772.12, 3,024,588.80 and 1,224,910.35 is: 1,690,344.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,772.12 : 3,024,588.80 = 1,224,910.35 : x
  2. Step 2: Convert to fraction form
    2,191,772.12/3,024,588.80 = 1,224,910.35/x
  3. Step 3: Cross multiply
    2,191,772.12x = 3,024,588.80 × 1,224,910.35
  4. Step 4: Simplify right side
    2,191,772.12x = 3,704,850,128,676.36
  5. Step 5: Solve for x
    x = 3,704,850,128,676.36/2,191,772.12
  6. Step 6: Final answer
    x = 1,690,344.59

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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.