Home / 2,135,451.24-2,946,900.69-1,217,829.78

Finding the Fourth Proportional to 2,135,451.24, 2,946,900.69 and 1,217,829.78

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Solution

The fourth proportional to 2,135,451.24, 2,946,900.69 and 1,217,829.78 is: 1,680,592.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,451.24 : 2,946,900.69 = 1,217,829.78 : x
  2. Step 2: Convert to fraction form
    2,135,451.24/2,946,900.69 = 1,217,829.78/x
  3. Step 3: Cross multiply
    2,135,451.24x = 2,946,900.69 × 1,217,829.78
  4. Step 4: Simplify right side
    2,135,451.24x = 3,588,823,418,984.55
  5. Step 5: Solve for x
    x = 3,588,823,418,984.55/2,135,451.24
  6. Step 6: Final answer
    x = 1,680,592.54

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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.