Home / 2,178,173.75-3,267,676.01-830,223.59

Finding the Fourth Proportional to 2,178,173.75, 3,267,676.01 and 830,223.59

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Solution

The fourth proportional to 2,178,173.75, 3,267,676.01 and 830,223.59 is: 1,245,493.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,173.75 : 3,267,676.01 = 830,223.59 : x
  2. Step 2: Convert to fraction form
    2,178,173.75/3,267,676.01 = 830,223.59/x
  3. Step 3: Cross multiply
    2,178,173.75x = 3,267,676.01 × 830,223.59
  4. Step 4: Simplify right side
    2,178,173.75x = 2,712,901,693,716.26
  5. Step 5: Solve for x
    x = 2,712,901,693,716.26/2,178,173.75
  6. Step 6: Final answer
    x = 1,245,493.71

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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.