Home / 2,230,034.28-3,077,447.31-1,211,439.03

Finding the Fourth Proportional to 2,230,034.28, 3,077,447.31 and 1,211,439.03

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Solution

The fourth proportional to 2,230,034.28, 3,077,447.31 and 1,211,439.03 is: 1,671,785.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,034.28 : 3,077,447.31 = 1,211,439.03 : x
  2. Step 2: Convert to fraction form
    2,230,034.28/3,077,447.31 = 1,211,439.03/x
  3. Step 3: Cross multiply
    2,230,034.28x = 3,077,447.31 × 1,211,439.03
  4. Step 4: Simplify right side
    2,230,034.28x = 3,728,139,784,102.51
  5. Step 5: Solve for x
    x = 3,728,139,784,102.51/2,230,034.28
  6. Step 6: Final answer
    x = 1,671,785.86

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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.