Home / 5,102,071.86-7,040,858.54-2,810,232.57

Finding the Fourth Proportional to 5,102,071.86, 7,040,858.54 and 2,810,232.57

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Solution

The fourth proportional to 5,102,071.86, 7,040,858.54 and 2,810,232.57 is: 3,878,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102,071.86 : 7,040,858.54 = 2,810,232.57 : x
  2. Step 2: Convert to fraction form
    5,102,071.86/7,040,858.54 = 2,810,232.57/x
  3. Step 3: Cross multiply
    5,102,071.86x = 7,040,858.54 × 2,810,232.57
  4. Step 4: Simplify right side
    5,102,071.86x = 19,786,449,975,819.48
  5. Step 5: Solve for x
    x = 19,786,449,975,819.48/5,102,071.86
  6. Step 6: Final answer
    x = 3,878,120.60

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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.