Home / 2,620,625.85-3,931,108.27-823,584.35

Finding the Fourth Proportional to 2,620,625.85, 3,931,108.27 and 823,584.35

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Solution

The fourth proportional to 2,620,625.85, 3,931,108.27 and 823,584.35 is: 1,235,429.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,625.85 : 3,931,108.27 = 823,584.35 : x
  2. Step 2: Convert to fraction form
    2,620,625.85/3,931,108.27 = 823,584.35/x
  3. Step 3: Cross multiply
    2,620,625.85x = 3,931,108.27 × 823,584.35
  4. Step 4: Simplify right side
    2,620,625.85x = 3,237,599,245,209.65
  5. Step 5: Solve for x
    x = 3,237,599,245,209.65/2,620,625.85
  6. Step 6: Final answer
    x = 1,235,429.79

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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.