Home / 6,770,785.51-9,343,683.08-3,870,238.69

Finding the Fourth Proportional to 6,770,785.51, 9,343,683.08 and 3,870,238.69

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Solution

The fourth proportional to 6,770,785.51, 9,343,683.08 and 3,870,238.69 is: 5,340,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,770,785.51 : 9,343,683.08 = 3,870,238.69 : x
  2. Step 2: Convert to fraction form
    6,770,785.51/9,343,683.08 = 3,870,238.69/x
  3. Step 3: Cross multiply
    6,770,785.51x = 9,343,683.08 × 3,870,238.69
  4. Step 4: Simplify right side
    6,770,785.51x = 36,162,283,743,963.17
  5. Step 5: Solve for x
    x = 36,162,283,743,963.17/6,770,785.51
  6. Step 6: Final answer
    x = 5,340,928.86

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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.