Home / 2,589,947.20-3,885,212.40-792,816.40

Finding the Fourth Proportional to 2,589,947.20, 3,885,212.40 and 792,816.40

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Solution

The fourth proportional to 2,589,947.20, 3,885,212.40 and 792,816.40 is: 1,189,313.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,947.20 : 3,885,212.40 = 792,816.40 : x
  2. Step 2: Convert to fraction form
    2,589,947.20/3,885,212.40 = 792,816.40/x
  3. Step 3: Cross multiply
    2,589,947.20x = 3,885,212.40 × 792,816.40
  4. Step 4: Simplify right side
    2,589,947.20x = 3,080,260,108,203.36
  5. Step 5: Solve for x
    x = 3,080,260,108,203.36/2,589,947.20
  6. Step 6: Final answer
    x = 1,189,313.86

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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.