Home / 2,698,949.76-4,049,133.54-969,994.09

Finding the Fourth Proportional to 2,698,949.76, 4,049,133.54 and 969,994.09

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Solution

The fourth proportional to 2,698,949.76, 4,049,133.54 and 969,994.09 is: 1,455,245.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698,949.76 : 4,049,133.54 = 969,994.09 : x
  2. Step 2: Convert to fraction form
    2,698,949.76/4,049,133.54 = 969,994.09/x
  3. Step 3: Cross multiply
    2,698,949.76x = 4,049,133.54 × 969,994.09
  4. Step 4: Simplify right side
    2,698,949.76x = 3,927,635,603,420.78
  5. Step 5: Solve for x
    x = 3,927,635,603,420.78/2,698,949.76
  6. Step 6: Final answer
    x = 1,455,245.91

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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.