Home / 5,384,356.20-8,071,004.70-3,139,338.60

Finding the Fourth Proportional to 5,384,356.20, 8,071,004.70 and 3,139,338.60

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Solution

The fourth proportional to 5,384,356.20, 8,071,004.70 and 3,139,338.60 is: 4,705,783.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384,356.20 : 8,071,004.70 = 3,139,338.60 : x
  2. Step 2: Convert to fraction form
    5,384,356.20/8,071,004.70 = 3,139,338.60/x
  3. Step 3: Cross multiply
    5,384,356.20x = 8,071,004.70 × 3,139,338.60
  4. Step 4: Simplify right side
    5,384,356.20x = 25,337,616,595,491.42
  5. Step 5: Solve for x
    x = 25,337,616,595,491.42/5,384,356.20
  6. Step 6: Final answer
    x = 4,705,783.88

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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.