Home / 2,763,128.70-3,812,857.11-1,539,309.42

Finding the Fourth Proportional to 2,763,128.70, 3,812,857.11 and 1,539,309.42

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Solution

The fourth proportional to 2,763,128.70, 3,812,857.11 and 1,539,309.42 is: 2,124,101.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763,128.70 : 3,812,857.11 = 1,539,309.42 : x
  2. Step 2: Convert to fraction form
    2,763,128.70/3,812,857.11 = 1,539,309.42/x
  3. Step 3: Cross multiply
    2,763,128.70x = 3,812,857.11 × 1,539,309.42
  4. Step 4: Simplify right side
    2,763,128.70x = 5,869,166,866,536.98
  5. Step 5: Solve for x
    x = 5,869,166,866,536.98/2,763,128.70
  6. Step 6: Final answer
    x = 2,124,101.88

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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.