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Finding the Fourth Proportional to 6,369,898, 8,790,459.24 and 3,508,330

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Solution

The fourth proportional to 6,369,898, 8,790,459.24 and 3,508,330 is: 4,841,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,369,898 : 8,790,459.24 = 3,508,330 : x
  2. Step 2: Convert to fraction form
    6,369,898/8,790,459.24 = 3,508,330/x
  3. Step 3: Cross multiply
    6,369,898x = 8,790,459.24 × 3,508,330
  4. Step 4: Simplify right side
    6,369,898x = 30,839,831,865,469.20
  5. Step 5: Solve for x
    x = 30,839,831,865,469.20/6,369,898
  6. Step 6: Final answer
    x = 4,841,495.40

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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.