Home / 2,880,518.64-4,321,939.83-1,281,988.41

Finding the Fourth Proportional to 2,880,518.64, 4,321,939.83 and 1,281,988.41

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Solution

The fourth proportional to 2,880,518.64, 4,321,939.83 and 1,281,988.41 is: 1,923,499.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,518.64 : 4,321,939.83 = 1,281,988.41 : x
  2. Step 2: Convert to fraction form
    2,880,518.64/4,321,939.83 = 1,281,988.41/x
  3. Step 3: Cross multiply
    2,880,518.64x = 4,321,939.83 × 1,281,988.41
  4. Step 4: Simplify right side
    2,880,518.64x = 5,540,676,770,777.37
  5. Step 5: Solve for x
    x = 5,540,676,770,777.37/2,880,518.64
  6. Step 6: Final answer
    x = 1,923,499.71

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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.