Home / 3,179,022.58-4,386,917.64-1,802,458.77

Finding the Fourth Proportional to 3,179,022.58, 4,386,917.64 and 1,802,458.77

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Solution

The fourth proportional to 3,179,022.58, 4,386,917.64 and 1,802,458.77 is: 2,487,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,022.58 : 4,386,917.64 = 1,802,458.77 : x
  2. Step 2: Convert to fraction form
    3,179,022.58/4,386,917.64 = 1,802,458.77/x
  3. Step 3: Cross multiply
    3,179,022.58x = 4,386,917.64 × 1,802,458.77
  4. Step 4: Simplify right side
    3,179,022.58x = 7,907,238,173,485.70
  5. Step 5: Solve for x
    x = 7,907,238,173,485.70/3,179,022.58
  6. Step 6: Final answer
    x = 2,487,317.40

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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.