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Finding the Fourth Proportional to 5,672,153.26, 7,831,404.42 and 4,363,080.70

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Solution

The fourth proportional to 5,672,153.26, 7,831,404.42 and 4,363,080.70 is: 6,023,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672,153.26 : 7,831,404.42 = 4,363,080.70 : x
  2. Step 2: Convert to fraction form
    5,672,153.26/7,831,404.42 = 4,363,080.70/x
  3. Step 3: Cross multiply
    5,672,153.26x = 7,831,404.42 × 4,363,080.70
  4. Step 4: Simplify right side
    5,672,153.26x = 34,169,049,478,796.70
  5. Step 5: Solve for x
    x = 34,169,049,478,796.70/5,672,153.26
  6. Step 6: Final answer
    x = 6,023,999.69

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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.