Home / 6,729,789.76-9,287,639.84-3,829,302.72

Finding the Fourth Proportional to 6,729,789.76, 9,287,639.84 and 3,829,302.72

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Solution

The fourth proportional to 6,729,789.76, 9,287,639.84 and 3,829,302.72 is: 5,284,739.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,729,789.76 : 9,287,639.84 = 3,829,302.72 : x
  2. Step 2: Convert to fraction form
    6,729,789.76/9,287,639.84 = 3,829,302.72/x
  3. Step 3: Cross multiply
    6,729,789.76x = 9,287,639.84 × 3,829,302.72
  4. Step 4: Simplify right side
    6,729,789.76x = 35,565,184,501,692.37
  5. Step 5: Solve for x
    x = 35,565,184,501,692.37/6,729,789.76
  6. Step 6: Final answer
    x = 5,284,739.31

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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.