Home / 3,126,716.20-4,686,516.54-1,328,477.32

Finding the Fourth Proportional to 3,126,716.20, 4,686,516.54 and 1,328,477.32

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Solution

The fourth proportional to 3,126,716.20, 4,686,516.54 and 1,328,477.32 is: 1,991,204.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126,716.20 : 4,686,516.54 = 1,328,477.32 : x
  2. Step 2: Convert to fraction form
    3,126,716.20/4,686,516.54 = 1,328,477.32/x
  3. Step 3: Cross multiply
    3,126,716.20x = 4,686,516.54 × 1,328,477.32
  4. Step 4: Simplify right side
    3,126,716.20x = 6,225,930,933,194.87
  5. Step 5: Solve for x
    x = 6,225,930,933,194.87/3,126,716.20
  6. Step 6: Final answer
    x = 1,991,204.36

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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.