Home / 2,856,356.80-3,941,772.06-1,632,688.48

Finding the Fourth Proportional to 2,856,356.80, 3,941,772.06 and 1,632,688.48

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Solution

The fourth proportional to 2,856,356.80, 3,941,772.06 and 1,632,688.48 is: 2,253,109.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,356.80 : 3,941,772.06 = 1,632,688.48 : x
  2. Step 2: Convert to fraction form
    2,856,356.80/3,941,772.06 = 1,632,688.48/x
  3. Step 3: Cross multiply
    2,856,356.80x = 3,941,772.06 × 1,632,688.48
  4. Step 4: Simplify right side
    2,856,356.80x = 6,435,685,833,147.87
  5. Step 5: Solve for x
    x = 6,435,685,833,147.87/2,856,356.80
  6. Step 6: Final answer
    x = 2,253,109.92

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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.