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Finding the Fourth Proportional to 2,266,780, 3,400,618.70 and 647,562.80

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Solution

The fourth proportional to 2,266,780, 3,400,618.70 and 647,562.80 is: 971,472.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266,780 : 3,400,618.70 = 647,562.80 : x
  2. Step 2: Convert to fraction form
    2,266,780/3,400,618.70 = 647,562.80/x
  3. Step 3: Cross multiply
    2,266,780x = 3,400,618.70 × 647,562.80
  4. Step 4: Simplify right side
    2,266,780x = 2,202,114,167,104.36
  5. Step 5: Solve for x
    x = 2,202,114,167,104.36/2,266,780
  6. Step 6: Final answer
    x = 971,472.38

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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.