Home / 2,071,160.85-2,856,729.64-1,382,485.49

Finding the Fourth Proportional to 2,071,160.85, 2,856,729.64 and 1,382,485.49

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Solution

The fourth proportional to 2,071,160.85, 2,856,729.64 and 1,382,485.49 is: 1,906,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,160.85 : 2,856,729.64 = 1,382,485.49 : x
  2. Step 2: Convert to fraction form
    2,071,160.85/2,856,729.64 = 1,382,485.49/x
  3. Step 3: Cross multiply
    2,071,160.85x = 2,856,729.64 × 1,382,485.49
  4. Step 4: Simplify right side
    2,071,160.85x = 3,949,387,276,152.92
  5. Step 5: Solve for x
    x = 3,949,387,276,152.92/2,071,160.85
  6. Step 6: Final answer
    x = 1,906,847.20

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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.