Home / 3,521,879.40-5,280,486.30-1,277,725.80

Finding the Fourth Proportional to 3,521,879.40, 5,280,486.30 and 1,277,725.80

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Solution

The fourth proportional to 3,521,879.40, 5,280,486.30 and 1,277,725.80 is: 1,915,742.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521,879.40 : 5,280,486.30 = 1,277,725.80 : x
  2. Step 2: Convert to fraction form
    3,521,879.40/5,280,486.30 = 1,277,725.80/x
  3. Step 3: Cross multiply
    3,521,879.40x = 5,280,486.30 × 1,277,725.80
  4. Step 4: Simplify right side
    3,521,879.40x = 6,747,013,582,056.54
  5. Step 5: Solve for x
    x = 6,747,013,582,056.54/3,521,879.40
  6. Step 6: Final answer
    x = 1,915,742.37

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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.