Home / 2,146,343.74-2,961,308.46-1,286,590.30

Finding the Fourth Proportional to 2,146,343.74, 2,961,308.46 and 1,286,590.30

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Solution

The fourth proportional to 2,146,343.74, 2,961,308.46 and 1,286,590.30 is: 1,775,107.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,343.74 : 2,961,308.46 = 1,286,590.30 : x
  2. Step 2: Convert to fraction form
    2,146,343.74/2,961,308.46 = 1,286,590.30/x
  3. Step 3: Cross multiply
    2,146,343.74x = 2,961,308.46 × 1,286,590.30
  4. Step 4: Simplify right side
    2,146,343.74x = 3,809,990,737,365.38
  5. Step 5: Solve for x
    x = 3,809,990,737,365.38/2,146,343.74
  6. Step 6: Final answer
    x = 1,775,107.44

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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.