Home / 2,229,570.64-3,076,280.40-1,311,839.84

Finding the Fourth Proportional to 2,229,570.64, 3,076,280.40 and 1,311,839.84

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Solution

The fourth proportional to 2,229,570.64, 3,076,280.40 and 1,311,839.84 is: 1,810,028.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229,570.64 : 3,076,280.40 = 1,311,839.84 : x
  2. Step 2: Convert to fraction form
    2,229,570.64/3,076,280.40 = 1,311,839.84/x
  3. Step 3: Cross multiply
    2,229,570.64x = 3,076,280.40 × 1,311,839.84
  4. Step 4: Simplify right side
    2,229,570.64x = 4,035,587,187,731.14
  5. Step 5: Solve for x
    x = 4,035,587,187,731.14/2,229,570.64
  6. Step 6: Final answer
    x = 1,810,028.85

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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.