Home / 2,122,715.36-3,179,222.35-1,666,267.60

Finding the Fourth Proportional to 2,122,715.36, 3,179,222.35 and 1,666,267.60

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Solution

The fourth proportional to 2,122,715.36, 3,179,222.35 and 1,666,267.60 is: 2,495,593.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,715.36 : 3,179,222.35 = 1,666,267.60 : x
  2. Step 2: Convert to fraction form
    2,122,715.36/3,179,222.35 = 1,666,267.60/x
  3. Step 3: Cross multiply
    2,122,715.36x = 3,179,222.35 × 1,666,267.60
  4. Step 4: Simplify right side
    2,122,715.36x = 5,297,435,195,000.86
  5. Step 5: Solve for x
    x = 5,297,435,195,000.86/2,122,715.36
  6. Step 6: Final answer
    x = 2,495,593.75

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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.