Home / 5,376,520.49-8,061,469.85-2,640,588.35

Finding the Fourth Proportional to 5,376,520.49, 8,061,469.85 and 2,640,588.35

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Solution

The fourth proportional to 5,376,520.49, 8,061,469.85 and 2,640,588.35 is: 3,959,256.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376,520.49 : 8,061,469.85 = 2,640,588.35 : x
  2. Step 2: Convert to fraction form
    5,376,520.49/8,061,469.85 = 2,640,588.35/x
  3. Step 3: Cross multiply
    5,376,520.49x = 8,061,469.85 × 2,640,588.35
  4. Step 4: Simplify right side
    5,376,520.49x = 21,287,023,316,275.96
  5. Step 5: Solve for x
    x = 21,287,023,316,275.96/5,376,520.49
  6. Step 6: Final answer
    x = 3,959,256.43

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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.