Home / 5,428,364.20-8,142,546.30-4,631,202.70

Finding the Fourth Proportional to 5,428,364.20, 8,142,546.30 and 4,631,202.70

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Solution

The fourth proportional to 5,428,364.20, 8,142,546.30 and 4,631,202.70 is: 6,946,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,364.20 : 8,142,546.30 = 4,631,202.70 : x
  2. Step 2: Convert to fraction form
    5,428,364.20/8,142,546.30 = 4,631,202.70/x
  3. Step 3: Cross multiply
    5,428,364.20x = 8,142,546.30 × 4,631,202.70
  4. Step 4: Simplify right side
    5,428,364.20x = 37,709,782,409,435.01
  5. Step 5: Solve for x
    x = 37,709,782,409,435.01/5,428,364.20
  6. Step 6: Final answer
    x = 6,946,804.05

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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.