Home / 2,131,621.26-3,191,702.30-1,623,762.96

Finding the Fourth Proportional to 2,131,621.26, 3,191,702.30 and 1,623,762.96

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Solution

The fourth proportional to 2,131,621.26, 3,191,702.30 and 1,623,762.96 is: 2,431,279.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,621.26 : 3,191,702.30 = 1,623,762.96 : x
  2. Step 2: Convert to fraction form
    2,131,621.26/3,191,702.30 = 1,623,762.96/x
  3. Step 3: Cross multiply
    2,131,621.26x = 3,191,702.30 × 1,623,762.96
  4. Step 4: Simplify right side
    2,131,621.26x = 5,182,567,974,086.81
  5. Step 5: Solve for x
    x = 5,182,567,974,086.81/2,131,621.26
  6. Step 6: Final answer
    x = 2,431,279.92

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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.