Home / 2,158,328.94-2,978,854.11-2,062,666.86

Finding the Fourth Proportional to 2,158,328.94, 2,978,854.11 and 2,062,666.86

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Solution

The fourth proportional to 2,158,328.94, 2,978,854.11 and 2,062,666.86 is: 2,846,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,328.94 : 2,978,854.11 = 2,062,666.86 : x
  2. Step 2: Convert to fraction form
    2,158,328.94/2,978,854.11 = 2,062,666.86/x
  3. Step 3: Cross multiply
    2,158,328.94x = 2,978,854.11 × 2,062,666.86
  4. Step 4: Simplify right side
    2,158,328.94x = 6,144,383,653,471.80
  5. Step 5: Solve for x
    x = 6,144,383,653,471.80/2,158,328.94
  6. Step 6: Final answer
    x = 2,846,824.48

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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.