Home / 3,198,111.86-4,797,666.30-1,918,418.53

Finding the Fourth Proportional to 3,198,111.86, 4,797,666.30 and 1,918,418.53

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Solution

The fourth proportional to 3,198,111.86, 4,797,666.30 and 1,918,418.53 is: 2,877,926.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198,111.86 : 4,797,666.30 = 1,918,418.53 : x
  2. Step 2: Convert to fraction form
    3,198,111.86/4,797,666.30 = 1,918,418.53/x
  3. Step 3: Cross multiply
    3,198,111.86x = 4,797,666.30 × 1,918,418.53
  4. Step 4: Simplify right side
    3,198,111.86x = 9,203,931,897,096.12
  5. Step 5: Solve for x
    x = 9,203,931,897,096.12/3,198,111.86
  6. Step 6: Final answer
    x = 2,877,926.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.