Home / 2,666,915.34-3,680,352.46-1,443,220.55

Finding the Fourth Proportional to 2,666,915.34, 3,680,352.46 and 1,443,220.55

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Solution

The fourth proportional to 2,666,915.34, 3,680,352.46 and 1,443,220.55 is: 1,991,649.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,915.34 : 3,680,352.46 = 1,443,220.55 : x
  2. Step 2: Convert to fraction form
    2,666,915.34/3,680,352.46 = 1,443,220.55/x
  3. Step 3: Cross multiply
    2,666,915.34x = 3,680,352.46 × 1,443,220.55
  4. Step 4: Simplify right side
    2,666,915.34x = 5,311,560,296,790.93
  5. Step 5: Solve for x
    x = 5,311,560,296,790.93/2,666,915.34
  6. Step 6: Final answer
    x = 1,991,649.39

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1.5x scale

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.