Home / 3,485,370.20-5,220,484.38-1,684,476.80

Finding the Fourth Proportional to 3,485,370.20, 5,220,484.38 and 1,684,476.80

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Solution

The fourth proportional to 3,485,370.20, 5,220,484.38 and 1,684,476.80 is: 2,523,056.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,370.20 : 5,220,484.38 = 1,684,476.80 : x
  2. Step 2: Convert to fraction form
    3,485,370.20/5,220,484.38 = 1,684,476.80/x
  3. Step 3: Cross multiply
    3,485,370.20x = 5,220,484.38 × 1,684,476.80
  4. Step 4: Simplify right side
    3,485,370.20x = 8,793,784,822,872.38
  5. Step 5: Solve for x
    x = 8,793,784,822,872.38/3,485,370.20
  6. Step 6: Final answer
    x = 2,523,056.18

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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.