Home / 3,077,826.87-4,247,417.73-1,682,390.39

Finding the Fourth Proportional to 3,077,826.87, 4,247,417.73 and 1,682,390.39

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Solution

The fourth proportional to 3,077,826.87, 4,247,417.73 and 1,682,390.39 is: 2,321,707.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077,826.87 : 4,247,417.73 = 1,682,390.39 : x
  2. Step 2: Convert to fraction form
    3,077,826.87/4,247,417.73 = 1,682,390.39/x
  3. Step 3: Cross multiply
    3,077,826.87x = 4,247,417.73 × 1,682,390.39
  4. Step 4: Simplify right side
    3,077,826.87x = 7,145,814,788,321.64
  5. Step 5: Solve for x
    x = 7,145,814,788,321.64/3,077,826.87
  6. Step 6: Final answer
    x = 2,321,707.85

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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.