Home / 1,946,420.46-2,686,100.55-1,086,981.54

Finding the Fourth Proportional to 1,946,420.46, 2,686,100.55 and 1,086,981.54

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Solution

The fourth proportional to 1,946,420.46, 2,686,100.55 and 1,086,981.54 is: 1,500,057.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,420.46 : 2,686,100.55 = 1,086,981.54 : x
  2. Step 2: Convert to fraction form
    1,946,420.46/2,686,100.55 = 1,086,981.54/x
  3. Step 3: Cross multiply
    1,946,420.46x = 2,686,100.55 × 1,086,981.54
  4. Step 4: Simplify right side
    1,946,420.46x = 2,919,741,712,433.85
  5. Step 5: Solve for x
    x = 2,919,741,712,433.85/1,946,420.46
  6. Step 6: Final answer
    x = 1,500,057.04

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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.