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Finding the Fourth Proportional to 2,214,706.30, 3,108,986.90 and 2,214,706.30

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Solution

The fourth proportional to 2,214,706.30, 3,108,986.90 and 2,214,706.30 is: 3,108,986.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,706.30 : 3,108,986.90 = 2,214,706.30 : x
  2. Step 2: Convert to fraction form
    2,214,706.30/3,108,986.90 = 2,214,706.30/x
  3. Step 3: Cross multiply
    2,214,706.30x = 3,108,986.90 × 2,214,706.30
  4. Step 4: Simplify right side
    2,214,706.30x = 6,885,492,874,047.47
  5. Step 5: Solve for x
    x = 6,885,492,874,047.47/2,214,706.30
  6. Step 6: Final answer
    x = 3,108,986.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.