Home / 1,997,380-2,756,394.12-1,091,962

Finding the Fourth Proportional to 1,997,380, 2,756,394.12 and 1,091,962

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Solution

The fourth proportional to 1,997,380, 2,756,394.12 and 1,091,962 is: 1,506,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,380 : 2,756,394.12 = 1,091,962 : x
  2. Step 2: Convert to fraction form
    1,997,380/2,756,394.12 = 1,091,962/x
  3. Step 3: Cross multiply
    1,997,380x = 2,756,394.12 × 1,091,962
  4. Step 4: Simplify right side
    1,997,380x = 3,009,877,636,063.44
  5. Step 5: Solve for x
    x = 3,009,877,636,063.44/1,997,380
  6. Step 6: Final answer
    x = 1,506,912.87

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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.