Home / 3,191,703.80-4,787,555.70-1,512,087.80

Finding the Fourth Proportional to 3,191,703.80, 4,787,555.70 and 1,512,087.80

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Solution

The fourth proportional to 3,191,703.80, 4,787,555.70 and 1,512,087.80 is: 2,268,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,703.80 : 4,787,555.70 = 1,512,087.80 : x
  2. Step 2: Convert to fraction form
    3,191,703.80/4,787,555.70 = 1,512,087.80/x
  3. Step 3: Cross multiply
    3,191,703.80x = 4,787,555.70 × 1,512,087.80
  4. Step 4: Simplify right side
    3,191,703.80x = 7,239,204,565,790.46
  5. Step 5: Solve for x
    x = 7,239,204,565,790.46/3,191,703.80
  6. Step 6: Final answer
    x = 2,268,131.70

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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.