Home / 3,256,940.80-4,885,411.20-3,209,701.60

Finding the Fourth Proportional to 3,256,940.80, 4,885,411.20 and 3,209,701.60

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Solution

The fourth proportional to 3,256,940.80, 4,885,411.20 and 3,209,701.60 is: 4,814,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256,940.80 : 4,885,411.20 = 3,209,701.60 : x
  2. Step 2: Convert to fraction form
    3,256,940.80/4,885,411.20 = 3,209,701.60/x
  3. Step 3: Cross multiply
    3,256,940.80x = 4,885,411.20 × 3,209,701.60
  4. Step 4: Simplify right side
    3,256,940.80x = 15,680,712,145,297.92
  5. Step 5: Solve for x
    x = 15,680,712,145,297.92/3,256,940.80
  6. Step 6: Final answer
    x = 4,814,552.40

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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.