Home / 5,322,769.20-7,984,153.80-2,130,186.60

Finding the Fourth Proportional to 5,322,769.20, 7,984,153.80 and 2,130,186.60

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Solution

The fourth proportional to 5,322,769.20, 7,984,153.80 and 2,130,186.60 is: 3,195,279.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322,769.20 : 7,984,153.80 = 2,130,186.60 : x
  2. Step 2: Convert to fraction form
    5,322,769.20/7,984,153.80 = 2,130,186.60/x
  3. Step 3: Cross multiply
    5,322,769.20x = 7,984,153.80 × 2,130,186.60
  4. Step 4: Simplify right side
    5,322,769.20x = 17,007,737,437,099.08
  5. Step 5: Solve for x
    x = 17,007,737,437,099.08/5,322,769.20
  6. Step 6: Final answer
    x = 3,195,279.90

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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.