Home / 3,280,568.80-4,921,630.80-1,683,378.40

Finding the Fourth Proportional to 3,280,568.80, 4,921,630.80 and 1,683,378.40

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Solution

The fourth proportional to 3,280,568.80, 4,921,630.80 and 1,683,378.40 is: 2,525,466.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,568.80 : 4,921,630.80 = 1,683,378.40 : x
  2. Step 2: Convert to fraction form
    3,280,568.80/4,921,630.80 = 1,683,378.40/x
  3. Step 3: Cross multiply
    3,280,568.80x = 4,921,630.80 × 1,683,378.40
  4. Step 4: Simplify right side
    3,280,568.80x = 8,284,966,981,494.72
  5. Step 5: Solve for x
    x = 8,284,966,981,494.72/3,280,568.80
  6. Step 6: Final answer
    x = 2,525,466.61

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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.