Home / 2,634,149.76-3,635,125.44-1,426,915.20

Finding the Fourth Proportional to 2,634,149.76, 3,635,125.44 and 1,426,915.20

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Solution

The fourth proportional to 2,634,149.76, 3,635,125.44 and 1,426,915.20 is: 1,969,142.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634,149.76 : 3,635,125.44 = 1,426,915.20 : x
  2. Step 2: Convert to fraction form
    2,634,149.76/3,635,125.44 = 1,426,915.20/x
  3. Step 3: Cross multiply
    2,634,149.76x = 3,635,125.44 × 1,426,915.20
  4. Step 4: Simplify right side
    2,634,149.76x = 5,187,015,744,242.69
  5. Step 5: Solve for x
    x = 5,187,015,744,242.69/2,634,149.76
  6. Step 6: Final answer
    x = 1,969,142.31

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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.