Home / 3,885,520.79-5,828,295.77-1,189,835.53

Finding the Fourth Proportional to 3,885,520.79, 5,828,295.77 and 1,189,835.53

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Solution

The fourth proportional to 3,885,520.79, 5,828,295.77 and 1,189,835.53 is: 1,784,757.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,520.79 : 5,828,295.77 = 1,189,835.53 : x
  2. Step 2: Convert to fraction form
    3,885,520.79/5,828,295.77 = 1,189,835.53/x
  3. Step 3: Cross multiply
    3,885,520.79x = 5,828,295.77 × 1,189,835.53
  4. Step 4: Simplify right side
    3,885,520.79x = 6,934,713,370,436.68
  5. Step 5: Solve for x
    x = 6,934,713,370,436.68/3,885,520.79
  6. Step 6: Final answer
    x = 1,784,757.76

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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.