Home / 3,521,825.40-5,280,405.30-1,277,671.80

Finding the Fourth Proportional to 3,521,825.40, 5,280,405.30 and 1,277,671.80

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Solution

The fourth proportional to 3,521,825.40, 5,280,405.30 and 1,277,671.80 is: 1,915,661.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521,825.40 : 5,280,405.30 = 1,277,671.80 : x
  2. Step 2: Convert to fraction form
    3,521,825.40/5,280,405.30 = 1,277,671.80/x
  3. Step 3: Cross multiply
    3,521,825.40x = 5,280,405.30 × 1,277,671.80
  4. Step 4: Simplify right side
    3,521,825.40x = 6,746,624,944,380.54
  5. Step 5: Solve for x
    x = 6,746,624,944,380.54/3,521,825.40
  6. Step 6: Final answer
    x = 1,915,661.39

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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.