Home / 2,591,986.80-3,885,215.40-993,932.40

Finding the Fourth Proportional to 2,591,986.80, 3,885,215.40 and 993,932.40

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Solution

The fourth proportional to 2,591,986.80, 3,885,215.40 and 993,932.40 is: 1,489,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591,986.80 : 3,885,215.40 = 993,932.40 : x
  2. Step 2: Convert to fraction form
    2,591,986.80/3,885,215.40 = 993,932.40/x
  3. Step 3: Cross multiply
    2,591,986.80x = 3,885,215.40 × 993,932.40
  4. Step 4: Simplify right side
    2,591,986.80x = 3,861,641,467,038.96
  5. Step 5: Solve for x
    x = 3,861,641,467,038.96/2,591,986.80
  6. Step 6: Final answer
    x = 1,489,838.40

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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.