Home / 2,868,990.40-3,959,064.64-1,579,589.88

Finding the Fourth Proportional to 2,868,990.40, 3,959,064.64 and 1,579,589.88

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Solution

The fourth proportional to 2,868,990.40, 3,959,064.64 and 1,579,589.88 is: 2,179,755.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868,990.40 : 3,959,064.64 = 1,579,589.88 : x
  2. Step 2: Convert to fraction form
    2,868,990.40/3,959,064.64 = 1,579,589.88/x
  3. Step 3: Cross multiply
    2,868,990.40x = 3,959,064.64 × 1,579,589.88
  4. Step 4: Simplify right side
    2,868,990.40x = 6,253,698,426,737.84
  5. Step 5: Solve for x
    x = 6,253,698,426,737.84/2,868,990.40
  6. Step 6: Final answer
    x = 2,179,755.79

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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.