Home / 2,862,176.32-3,949,849.39-1,638,476.92

Finding the Fourth Proportional to 2,862,176.32, 3,949,849.39 and 1,638,476.92

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Solution

The fourth proportional to 2,862,176.32, 3,949,849.39 and 1,638,476.92 is: 2,261,124.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862,176.32 : 3,949,849.39 = 1,638,476.92 : x
  2. Step 2: Convert to fraction form
    2,862,176.32/3,949,849.39 = 1,638,476.92/x
  3. Step 3: Cross multiply
    2,862,176.32x = 3,949,849.39 × 1,638,476.92
  4. Step 4: Simplify right side
    2,862,176.32x = 6,471,737,043,241.83
  5. Step 5: Solve for x
    x = 6,471,737,043,241.83/2,862,176.32
  6. Step 6: Final answer
    x = 2,261,124.52

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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.