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Finding the Fourth Proportional to 3,509,896.86, 4,845,341.43 and 2,221,361.82

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Solution

The fourth proportional to 3,509,896.86, 4,845,341.43 and 2,221,361.82 is: 3,066,544.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509,896.86 : 4,845,341.43 = 2,221,361.82 : x
  2. Step 2: Convert to fraction form
    3,509,896.86/4,845,341.43 = 2,221,361.82/x
  3. Step 3: Cross multiply
    3,509,896.86x = 4,845,341.43 × 2,221,361.82
  4. Step 4: Simplify right side
    3,509,896.86x = 10,763,256,457,466.20
  5. Step 5: Solve for x
    x = 10,763,256,457,466.20/3,509,896.86
  6. Step 6: Final answer
    x = 3,066,544.94

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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.