Home / 2,231,728.56-3,079,783.08-1,213,140.60

Finding the Fourth Proportional to 2,231,728.56, 3,079,783.08 and 1,213,140.60

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Solution

The fourth proportional to 2,231,728.56, 3,079,783.08 and 1,213,140.60 is: 1,674,132.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231,728.56 : 3,079,783.08 = 1,213,140.60 : x
  2. Step 2: Convert to fraction form
    2,231,728.56/3,079,783.08 = 1,213,140.60/x
  3. Step 3: Cross multiply
    2,231,728.56x = 3,079,783.08 × 1,213,140.60
  4. Step 4: Simplify right side
    2,231,728.56x = 3,736,209,893,541.05
  5. Step 5: Solve for x
    x = 3,736,209,893,541.05/2,231,728.56
  6. Step 6: Final answer
    x = 1,674,132.76

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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.