Home / 3,147,549.64-4,343,618.74-1,789,422.68

Finding the Fourth Proportional to 3,147,549.64, 4,343,618.74 and 1,789,422.68

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Solution

The fourth proportional to 3,147,549.64, 4,343,618.74 and 1,789,422.68 is: 2,469,403.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,549.64 : 4,343,618.74 = 1,789,422.68 : x
  2. Step 2: Convert to fraction form
    3,147,549.64/4,343,618.74 = 1,789,422.68/x
  3. Step 3: Cross multiply
    3,147,549.64x = 4,343,618.74 × 1,789,422.68
  4. Step 4: Simplify right side
    3,147,549.64x = 7,772,569,886,629.02
  5. Step 5: Solve for x
    x = 7,772,569,886,629.02/3,147,549.64
  6. Step 6: Final answer
    x = 2,469,403.43

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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.