Home / 1,691,219.42-2,536,440.93-1,008,299.51

Finding the Fourth Proportional to 1,691,219.42, 2,536,440.93 and 1,008,299.51

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Solution

The fourth proportional to 1,691,219.42, 2,536,440.93 and 1,008,299.51 is: 1,512,217.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,219.42 : 2,536,440.93 = 1,008,299.51 : x
  2. Step 2: Convert to fraction form
    1,691,219.42/2,536,440.93 = 1,008,299.51/x
  3. Step 3: Cross multiply
    1,691,219.42x = 2,536,440.93 × 1,008,299.51
  4. Step 4: Simplify right side
    1,691,219.42x = 2,557,492,134,180.74
  5. Step 5: Solve for x
    x = 2,557,492,134,180.74/1,691,219.42
  6. Step 6: Final answer
    x = 1,512,217.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.