Home / 3,918,716.87-5,407,807.86-2,199,836.93

Finding the Fourth Proportional to 3,918,716.87, 5,407,807.86 and 2,199,836.93

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Solution

The fourth proportional to 3,918,716.87, 5,407,807.86 and 2,199,836.93 is: 3,035,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,716.87 : 5,407,807.86 = 2,199,836.93 : x
  2. Step 2: Convert to fraction form
    3,918,716.87/5,407,807.86 = 2,199,836.93/x
  3. Step 3: Cross multiply
    3,918,716.87x = 5,407,807.86 × 2,199,836.93
  4. Step 4: Simplify right side
    3,918,716.87x = 11,896,295,413,733.23
  5. Step 5: Solve for x
    x = 11,896,295,413,733.23/3,918,716.87
  6. Step 6: Final answer
    x = 3,035,762.94

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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.