Home / 2,187,066.30-3,280,599.45-1,383,999.90

Finding the Fourth Proportional to 2,187,066.30, 3,280,599.45 and 1,383,999.90

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Solution

The fourth proportional to 2,187,066.30, 3,280,599.45 and 1,383,999.90 is: 2,075,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,066.30 : 3,280,599.45 = 1,383,999.90 : x
  2. Step 2: Convert to fraction form
    2,187,066.30/3,280,599.45 = 1,383,999.90/x
  3. Step 3: Cross multiply
    2,187,066.30x = 3,280,599.45 × 1,383,999.90
  4. Step 4: Simplify right side
    2,187,066.30x = 4,540,349,310,740.06
  5. Step 5: Solve for x
    x = 4,540,349,310,740.06/2,187,066.30
  6. Step 6: Final answer
    x = 2,075,999.85

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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.