Home / 6,664,931-9,197,609.64-3,609,147.68

Finding the Fourth Proportional to 6,664,931, 9,197,609.64 and 3,609,147.68

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Solution

The fourth proportional to 6,664,931, 9,197,609.64 and 3,609,147.68 is: 4,980,626.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664,931 : 9,197,609.64 = 3,609,147.68 : x
  2. Step 2: Convert to fraction form
    6,664,931/9,197,609.64 = 3,609,147.68/x
  3. Step 3: Cross multiply
    6,664,931x = 9,197,609.64 × 3,609,147.68
  4. Step 4: Simplify right side
    6,664,931x = 33,195,531,493,751.64
  5. Step 5: Solve for x
    x = 33,195,531,493,751.64/6,664,931
  6. Step 6: Final answer
    x = 4,980,626.43

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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.