Home / 4,952,138.31-6,834,020.22-2,991,743.71

Finding the Fourth Proportional to 4,952,138.31, 6,834,020.22 and 2,991,743.71

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Solution

The fourth proportional to 4,952,138.31, 6,834,020.22 and 2,991,743.71 is: 4,128,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,952,138.31 : 6,834,020.22 = 2,991,743.71 : x
  2. Step 2: Convert to fraction form
    4,952,138.31/6,834,020.22 = 2,991,743.71/x
  3. Step 3: Cross multiply
    4,952,138.31x = 6,834,020.22 × 2,991,743.71
  4. Step 4: Simplify right side
    4,952,138.31x = 20,445,636,990,112.77
  5. Step 5: Solve for x
    x = 20,445,636,990,112.77/4,952,138.31
  6. Step 6: Final answer
    x = 4,128,648.21

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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.