Home / 2,230,453.56-3,078,038.70-1,211,866.68

Finding the Fourth Proportional to 2,230,453.56, 3,078,038.70 and 1,211,866.68

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Solution

The fourth proportional to 2,230,453.56, 3,078,038.70 and 1,211,866.68 is: 1,672,382.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,453.56 : 3,078,038.70 = 1,211,866.68 : x
  2. Step 2: Convert to fraction form
    2,230,453.56/3,078,038.70 = 1,211,866.68/x
  3. Step 3: Cross multiply
    2,230,453.56x = 3,078,038.70 × 1,211,866.68
  4. Step 4: Simplify right side
    2,230,453.56x = 3,730,172,540,280.52
  5. Step 5: Solve for x
    x = 3,730,172,540,280.52/2,230,453.56
  6. Step 6: Final answer
    x = 1,672,382.97

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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.