Home / 2,868,778.98-3,959,002.08-1,579,665.50

Finding the Fourth Proportional to 2,868,778.98, 3,959,002.08 and 1,579,665.50

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Solution

The fourth proportional to 2,868,778.98, 3,959,002.08 and 1,579,665.50 is: 2,179,986.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868,778.98 : 3,959,002.08 = 1,579,665.50 : x
  2. Step 2: Convert to fraction form
    2,868,778.98/3,959,002.08 = 1,579,665.50/x
  3. Step 3: Cross multiply
    2,868,778.98x = 3,959,002.08 × 1,579,665.50
  4. Step 4: Simplify right side
    2,868,778.98x = 6,253,899,000,204.24
  5. Step 5: Solve for x
    x = 6,253,899,000,204.24/2,868,778.98
  6. Step 6: Final answer
    x = 2,179,986.34

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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.