Home / 3,379,318-5,068,983.52-820,522.16

Finding the Fourth Proportional to 3,379,318, 5,068,983.52 and 820,522.16

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Solution

The fourth proportional to 3,379,318, 5,068,983.52 and 820,522.16 is: 1,230,784.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379,318 : 5,068,983.52 = 820,522.16 : x
  2. Step 2: Convert to fraction form
    3,379,318/5,068,983.52 = 820,522.16/x
  3. Step 3: Cross multiply
    3,379,318x = 5,068,983.52 × 820,522.16
  4. Step 4: Simplify right side
    3,379,318x = 4,159,213,306,834.80
  5. Step 5: Solve for x
    x = 4,159,213,306,834.80/3,379,318
  6. Step 6: Final answer
    x = 1,230,784.82

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1.5x scale

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.