Home / 2,666,915.03-3,680,342.61-1,443,220.59

Finding the Fourth Proportional to 2,666,915.03, 3,680,342.61 and 1,443,220.59

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Solution

The fourth proportional to 2,666,915.03, 3,680,342.61 and 1,443,220.59 is: 1,991,644.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,915.03 : 3,680,342.61 = 1,443,220.59 : x
  2. Step 2: Convert to fraction form
    2,666,915.03/3,680,342.61 = 1,443,220.59/x
  3. Step 3: Cross multiply
    2,666,915.03x = 3,680,342.61 × 1,443,220.59
  4. Step 4: Simplify right side
    2,666,915.03x = 5,311,546,233,006.34
  5. Step 5: Solve for x
    x = 5,311,546,233,006.34/2,666,915.03
  6. Step 6: Final answer
    x = 1,991,644.34

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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.