Home / 3,945,172.83-5,917,817.56-1,105,105.47

Finding the Fourth Proportional to 3,945,172.83, 5,917,817.56 and 1,105,105.47

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Solution

The fourth proportional to 3,945,172.83, 5,917,817.56 and 1,105,105.47 is: 1,657,674.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,172.83 : 5,917,817.56 = 1,105,105.47 : x
  2. Step 2: Convert to fraction form
    3,945,172.83/5,917,817.56 = 1,105,105.47/x
  3. Step 3: Cross multiply
    3,945,172.83x = 5,917,817.56 × 1,105,105.47
  4. Step 4: Simplify right side
    3,945,172.83x = 6,539,812,556,018.05
  5. Step 5: Solve for x
    x = 6,539,812,556,018.05/3,945,172.83
  6. Step 6: Final answer
    x = 1,657,674.54

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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.