Home / 4,289,255.30-6,434,972.81-1,215,242.78

Finding the Fourth Proportional to 4,289,255.30, 6,434,972.81 and 1,215,242.78

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Solution

The fourth proportional to 4,289,255.30, 6,434,972.81 and 1,215,242.78 is: 1,823,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289,255.30 : 6,434,972.81 = 1,215,242.78 : x
  2. Step 2: Convert to fraction form
    4,289,255.30/6,434,972.81 = 1,215,242.78/x
  3. Step 3: Cross multiply
    4,289,255.30x = 6,434,972.81 × 1,215,242.78
  4. Step 4: Simplify right side
    4,289,255.30x = 7,820,054,208,597.73
  5. Step 5: Solve for x
    x = 7,820,054,208,597.73/4,289,255.30
  6. Step 6: Final answer
    x = 1,823,172.95

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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.