Home / 2,166,269.94-2,989,484.01-1,247,992.38

Finding the Fourth Proportional to 2,166,269.94, 2,989,484.01 and 1,247,992.38

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Solution

The fourth proportional to 2,166,269.94, 2,989,484.01 and 1,247,992.38 is: 1,722,247.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,269.94 : 2,989,484.01 = 1,247,992.38 : x
  2. Step 2: Convert to fraction form
    2,166,269.94/2,989,484.01 = 1,247,992.38/x
  3. Step 3: Cross multiply
    2,166,269.94x = 2,989,484.01 × 1,247,992.38
  4. Step 4: Simplify right side
    2,166,269.94x = 3,730,853,264,611.84
  5. Step 5: Solve for x
    x = 3,730,853,264,611.84/2,166,269.94
  6. Step 6: Final answer
    x = 1,722,247.63

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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.