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Finding the Fourth Proportional to 2,866,926.24, 4,303,046.56 and 1,447,978.78

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Solution

The fourth proportional to 2,866,926.24, 4,303,046.56 and 1,447,978.78 is: 2,173,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866,926.24 : 4,303,046.56 = 1,447,978.78 : x
  2. Step 2: Convert to fraction form
    2,866,926.24/4,303,046.56 = 1,447,978.78/x
  3. Step 3: Cross multiply
    2,866,926.24x = 4,303,046.56 × 1,447,978.78
  4. Step 4: Simplify right side
    2,866,926.24x = 6,230,720,108,232.00
  5. Step 5: Solve for x
    x = 6,230,720,108,232.00/2,866,926.24
  6. Step 6: Final answer
    x = 2,173,310.22

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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.