Home / 4,551,632.13-6,822,679.54-2,120,781

Finding the Fourth Proportional to 4,551,632.13, 6,822,679.54 and 2,120,781

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Solution

The fourth proportional to 4,551,632.13, 6,822,679.54 and 2,120,781 is: 3,178,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,551,632.13 : 6,822,679.54 = 2,120,781 : x
  2. Step 2: Convert to fraction form
    4,551,632.13/6,822,679.54 = 2,120,781/x
  3. Step 3: Cross multiply
    4,551,632.13x = 6,822,679.54 × 2,120,781
  4. Step 4: Simplify right side
    4,551,632.13x = 14,469,409,137,520.74
  5. Step 5: Solve for x
    x = 14,469,409,137,520.74/4,551,632.13
  6. Step 6: Final answer
    x = 3,178,949.60

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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.