Home / 2,118,267.33-3,175,615.26-919,286.52

Finding the Fourth Proportional to 2,118,267.33, 3,175,615.26 and 919,286.52

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Solution

The fourth proportional to 2,118,267.33, 3,175,615.26 and 919,286.52 is: 1,378,154.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,267.33 : 3,175,615.26 = 919,286.52 : x
  2. Step 2: Convert to fraction form
    2,118,267.33/3,175,615.26 = 919,286.52/x
  3. Step 3: Cross multiply
    2,118,267.33x = 3,175,615.26 × 919,286.52
  4. Step 4: Simplify right side
    2,118,267.33x = 2,919,300,301,224.30
  5. Step 5: Solve for x
    x = 2,919,300,301,224.30/2,118,267.33
  6. Step 6: Final answer
    x = 1,378,154.81

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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.