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Finding the Fourth Proportional to 3,607,597.09, 4,978,422.43 and 1,953,730.79

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Solution

The fourth proportional to 3,607,597.09, 4,978,422.43 and 1,953,730.79 is: 2,696,115.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607,597.09 : 4,978,422.43 = 1,953,730.79 : x
  2. Step 2: Convert to fraction form
    3,607,597.09/4,978,422.43 = 1,953,730.79/x
  3. Step 3: Cross multiply
    3,607,597.09x = 4,978,422.43 × 1,953,730.79
  4. Step 4: Simplify right side
    3,607,597.09x = 9,726,497,177,348.97
  5. Step 5: Solve for x
    x = 9,726,497,177,348.97/3,607,597.09
  6. Step 6: Final answer
    x = 2,696,115.16

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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.