Home / 2,166,409.44-2,989,747.89-1,306,951.38

Finding the Fourth Proportional to 2,166,409.44, 2,989,747.89 and 1,306,951.38

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Solution

The fourth proportional to 2,166,409.44, 2,989,747.89 and 1,306,951.38 is: 1,803,654.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,409.44 : 2,989,747.89 = 1,306,951.38 : x
  2. Step 2: Convert to fraction form
    2,166,409.44/2,989,747.89 = 1,306,951.38/x
  3. Step 3: Cross multiply
    2,166,409.44x = 2,989,747.89 × 1,306,951.38
  4. Step 4: Simplify right side
    2,166,409.44x = 3,907,455,130,687.59
  5. Step 5: Solve for x
    x = 3,907,455,130,687.59/2,166,409.44
  6. Step 6: Final answer
    x = 1,803,654.96

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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.