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Finding the Fourth Proportional to 6,343,737.48, 8,754,369.84 and 3,765,935.16

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Solution

The fourth proportional to 6,343,737.48, 8,754,369.84 and 3,765,935.16 is: 5,196,997.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343,737.48 : 8,754,369.84 = 3,765,935.16 : x
  2. Step 2: Convert to fraction form
    6,343,737.48/8,754,369.84 = 3,765,935.16/x
  3. Step 3: Cross multiply
    6,343,737.48x = 8,754,369.84 × 3,765,935.16
  4. Step 4: Simplify right side
    6,343,737.48x = 32,968,389,184,099.57
  5. Step 5: Solve for x
    x = 32,968,389,184,099.57/6,343,737.48
  6. Step 6: Final answer
    x = 5,196,997.71

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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.