Home / 2,117,621-3,175,027.24-769,623.46

Finding the Fourth Proportional to 2,117,621, 3,175,027.24 and 769,623.46

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Solution

The fourth proportional to 2,117,621, 3,175,027.24 and 769,623.46 is: 1,153,924.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,621 : 3,175,027.24 = 769,623.46 : x
  2. Step 2: Convert to fraction form
    2,117,621/3,175,027.24 = 769,623.46/x
  3. Step 3: Cross multiply
    2,117,621x = 3,175,027.24 × 769,623.46
  4. Step 4: Simplify right side
    2,117,621x = 2,443,575,450,043.05
  5. Step 5: Solve for x
    x = 2,443,575,450,043.05/2,117,621
  6. Step 6: Final answer
    x = 1,153,924.83

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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.