Home / 2,151,754.20-2,969,441.37-1,184,918.76

Finding the Fourth Proportional to 2,151,754.20, 2,969,441.37 and 1,184,918.76

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Solution

The fourth proportional to 2,151,754.20, 2,969,441.37 and 1,184,918.76 is: 1,635,199.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,754.20 : 2,969,441.37 = 1,184,918.76 : x
  2. Step 2: Convert to fraction form
    2,151,754.20/2,969,441.37 = 1,184,918.76/x
  3. Step 3: Cross multiply
    2,151,754.20x = 2,969,441.37 × 1,184,918.76
  4. Step 4: Simplify right side
    2,151,754.20x = 3,518,546,786,033.10
  5. Step 5: Solve for x
    x = 3,518,546,786,033.10/2,151,754.20
  6. Step 6: Final answer
    x = 1,635,199.22

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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.