Home / 2,151,215.20-2,968,564.26-1,184,156.60

Finding the Fourth Proportional to 2,151,215.20, 2,968,564.26 and 1,184,156.60

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Solution

The fourth proportional to 2,151,215.20, 2,968,564.26 and 1,184,156.60 is: 1,634,074.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,215.20 : 2,968,564.26 = 1,184,156.60 : x
  2. Step 2: Convert to fraction form
    2,151,215.20/2,968,564.26 = 1,184,156.60/x
  3. Step 3: Cross multiply
    2,151,215.20x = 2,968,564.26 × 1,184,156.60
  4. Step 4: Simplify right side
    2,151,215.20x = 3,515,244,961,003.12
  5. Step 5: Solve for x
    x = 3,515,244,961,003.12/2,151,215.20
  6. Step 6: Final answer
    x = 1,634,074.06

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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.