Home / 2,750,805.70-4,126,390.80-729,021.40

Finding the Fourth Proportional to 2,750,805.70, 4,126,390.80 and 729,021.40

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Solution

The fourth proportional to 2,750,805.70, 4,126,390.80 and 729,021.40 is: 1,093,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750,805.70 : 4,126,390.80 = 729,021.40 : x
  2. Step 2: Convert to fraction form
    2,750,805.70/4,126,390.80 = 729,021.40/x
  3. Step 3: Cross multiply
    2,750,805.70x = 4,126,390.80 × 729,021.40
  4. Step 4: Simplify right side
    2,750,805.70x = 3,008,227,197,963.12
  5. Step 5: Solve for x
    x = 3,008,227,197,963.12/2,750,805.70
  6. Step 6: Final answer
    x = 1,093,580.40

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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.