Home / 2,666,715.21-3,680,076.75-1,443,020.75

Finding the Fourth Proportional to 2,666,715.21, 3,680,076.75 and 1,443,020.75

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Solution

The fourth proportional to 2,666,715.21, 3,680,076.75 and 1,443,020.75 is: 1,991,373.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,715.21 : 3,680,076.75 = 1,443,020.75 : x
  2. Step 2: Convert to fraction form
    2,666,715.21/3,680,076.75 = 1,443,020.75/x
  3. Step 3: Cross multiply
    2,666,715.21x = 3,680,076.75 × 1,443,020.75
  4. Step 4: Simplify right side
    2,666,715.21x = 5,310,427,112,653.80
  5. Step 5: Solve for x
    x = 5,310,427,112,653.80/2,666,715.21
  6. Step 6: Final answer
    x = 1,991,373.91

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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.