Home / 2,919,056.87-4,379,003.19-897,470.53

Finding the Fourth Proportional to 2,919,056.87, 4,379,003.19 and 897,470.53

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Solution

The fourth proportional to 2,919,056.87, 4,379,003.19 and 897,470.53 is: 1,346,334.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,056.87 : 4,379,003.19 = 897,470.53 : x
  2. Step 2: Convert to fraction form
    2,919,056.87/4,379,003.19 = 897,470.53/x
  3. Step 3: Cross multiply
    2,919,056.87x = 4,379,003.19 × 897,470.53
  4. Step 4: Simplify right side
    2,919,056.87x = 3,930,026,313,800.99
  5. Step 5: Solve for x
    x = 3,930,026,313,800.99/2,919,056.87
  6. Step 6: Final answer
    x = 1,346,334.27

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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.