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Finding the Fourth Proportional to 3,845,792.04, 5,306,978.28 and 2,103,117.54

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Solution

The fourth proportional to 3,845,792.04, 5,306,978.28 and 2,103,117.54 is: 2,902,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845,792.04 : 5,306,978.28 = 2,103,117.54 : x
  2. Step 2: Convert to fraction form
    3,845,792.04/5,306,978.28 = 2,103,117.54/x
  3. Step 3: Cross multiply
    3,845,792.04x = 5,306,978.28 × 2,103,117.54
  4. Step 4: Simplify right side
    3,845,792.04x = 11,161,199,105,067.03
  5. Step 5: Solve for x
    x = 11,161,199,105,067.03/3,845,792.04
  6. Step 6: Final answer
    x = 2,902,184.77

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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.