Home / 3,400,453.80-4,691,439.27-1,930,187.16

Finding the Fourth Proportional to 3,400,453.80, 4,691,439.27 and 1,930,187.16

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Solution

The fourth proportional to 3,400,453.80, 4,691,439.27 and 1,930,187.16 is: 2,662,984.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400,453.80 : 4,691,439.27 = 1,930,187.16 : x
  2. Step 2: Convert to fraction form
    3,400,453.80/4,691,439.27 = 1,930,187.16/x
  3. Step 3: Cross multiply
    3,400,453.80x = 4,691,439.27 × 1,930,187.16
  4. Step 4: Simplify right side
    3,400,453.80x = 9,055,355,840,873.77
  5. Step 5: Solve for x
    x = 9,055,355,840,873.77/3,400,453.80
  6. Step 6: Final answer
    x = 2,662,984.52

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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.