Home / 3,870,584.91-5,341,443.56-2,128,344.57

Finding the Fourth Proportional to 3,870,584.91, 5,341,443.56 and 2,128,344.57

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Solution

The fourth proportional to 3,870,584.91, 5,341,443.56 and 2,128,344.57 is: 2,937,135.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870,584.91 : 5,341,443.56 = 2,128,344.57 : x
  2. Step 2: Convert to fraction form
    3,870,584.91/5,341,443.56 = 2,128,344.57/x
  3. Step 3: Cross multiply
    3,870,584.91x = 5,341,443.56 × 2,128,344.57
  4. Step 4: Simplify right side
    3,870,584.91x = 11,368,432,386,245.74
  5. Step 5: Solve for x
    x = 11,368,432,386,245.74/3,870,584.91
  6. Step 6: Final answer
    x = 2,937,135.51

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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.