Home / 3,318,135.30-4,977,200.79-1,897,194.42

Finding the Fourth Proportional to 3,318,135.30, 4,977,200.79 and 1,897,194.42

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Solution

The fourth proportional to 3,318,135.30, 4,977,200.79 and 1,897,194.42 is: 2,845,790.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,135.30 : 4,977,200.79 = 1,897,194.42 : x
  2. Step 2: Convert to fraction form
    3,318,135.30/4,977,200.79 = 1,897,194.42/x
  3. Step 3: Cross multiply
    3,318,135.30x = 4,977,200.79 × 1,897,194.42
  4. Step 4: Simplify right side
    3,318,135.30x = 9,442,717,566,007.59
  5. Step 5: Solve for x
    x = 9,442,717,566,007.59/3,318,135.30
  6. Step 6: Final answer
    x = 2,845,790.39

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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.