Home / 3,853,638.72-5,311,823.40-2,612,847.24

Finding the Fourth Proportional to 3,853,638.72, 5,311,823.40 and 2,612,847.24

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Solution

The fourth proportional to 3,853,638.72, 5,311,823.40 and 2,612,847.24 is: 3,601,526.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853,638.72 : 5,311,823.40 = 2,612,847.24 : x
  2. Step 2: Convert to fraction form
    3,853,638.72/5,311,823.40 = 2,612,847.24/x
  3. Step 3: Cross multiply
    3,853,638.72x = 5,311,823.40 × 2,612,847.24
  4. Step 4: Simplify right side
    3,853,638.72x = 13,878,983,110,057.42
  5. Step 5: Solve for x
    x = 13,878,983,110,057.42/3,853,638.72
  6. Step 6: Final answer
    x = 3,601,526.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.