Home / 6,485,538.87-8,949,734.40-3,545,507.69

Finding the Fourth Proportional to 6,485,538.87, 8,949,734.40 and 3,545,507.69

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Solution

The fourth proportional to 6,485,538.87, 8,949,734.40 and 3,545,507.69 is: 4,892,631.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,485,538.87 : 8,949,734.40 = 3,545,507.69 : x
  2. Step 2: Convert to fraction form
    6,485,538.87/8,949,734.40 = 3,545,507.69/x
  3. Step 3: Cross multiply
    6,485,538.87x = 8,949,734.40 × 3,545,507.69
  4. Step 4: Simplify right side
    6,485,538.87x = 31,731,352,138,657.54
  5. Step 5: Solve for x
    x = 31,731,352,138,657.54/6,485,538.87
  6. Step 6: Final answer
    x = 4,892,631.56

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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.