Home / 1,890,625.12-2,609,093.76-1,031,185.38

Finding the Fourth Proportional to 1,890,625.12, 2,609,093.76 and 1,031,185.38

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Solution

The fourth proportional to 1,890,625.12, 2,609,093.76 and 1,031,185.38 is: 1,423,052.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,625.12 : 2,609,093.76 = 1,031,185.38 : x
  2. Step 2: Convert to fraction form
    1,890,625.12/2,609,093.76 = 1,031,185.38/x
  3. Step 3: Cross multiply
    1,890,625.12x = 2,609,093.76 × 1,031,185.38
  4. Step 4: Simplify right side
    1,890,625.12x = 2,690,459,340,361.23
  5. Step 5: Solve for x
    x = 2,690,459,340,361.23/1,890,625.12
  6. Step 6: Final answer
    x = 1,423,052.78

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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.