Home / 2,321,346.57-3,203,558.31-1,288,854.37

Finding the Fourth Proportional to 2,321,346.57, 3,203,558.31 and 1,288,854.37

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Solution

The fourth proportional to 2,321,346.57, 3,203,558.31 and 1,288,854.37 is: 1,778,674.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321,346.57 : 3,203,558.31 = 1,288,854.37 : x
  2. Step 2: Convert to fraction form
    2,321,346.57/3,203,558.31 = 1,288,854.37/x
  3. Step 3: Cross multiply
    2,321,346.57x = 3,203,558.31 × 1,288,854.37
  4. Step 4: Simplify right side
    2,321,346.57x = 4,128,920,127,393.32
  5. Step 5: Solve for x
    x = 4,128,920,127,393.32/2,321,346.57
  6. Step 6: Final answer
    x = 1,778,674.58

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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.