Home / 6,681,321.64-9,217,813.86-3,780,681.64

Finding the Fourth Proportional to 6,681,321.64, 9,217,813.86 and 3,780,681.64

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Solution

The fourth proportional to 6,681,321.64, 9,217,813.86 and 3,780,681.64 is: 5,215,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681,321.64 : 9,217,813.86 = 3,780,681.64 : x
  2. Step 2: Convert to fraction form
    6,681,321.64/9,217,813.86 = 3,780,681.64/x
  3. Step 3: Cross multiply
    6,681,321.64x = 9,217,813.86 × 3,780,681.64
  4. Step 4: Simplify right side
    6,681,321.64x = 34,849,619,621,439.53
  5. Step 5: Solve for x
    x = 34,849,619,621,439.53/6,681,321.64
  6. Step 6: Final answer
    x = 5,215,976.94

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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.