Home / 4,858,850.76-7,287,528.48-1,620,445.38

Finding the Fourth Proportional to 4,858,850.76, 7,287,528.48 and 1,620,445.38

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Solution

The fourth proportional to 4,858,850.76, 7,287,528.48 and 1,620,445.38 is: 2,430,418.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,858,850.76 : 7,287,528.48 = 1,620,445.38 : x
  2. Step 2: Convert to fraction form
    4,858,850.76/7,287,528.48 = 1,620,445.38/x
  3. Step 3: Cross multiply
    4,858,850.76x = 7,287,528.48 × 1,620,445.38
  4. Step 4: Simplify right side
    4,858,850.76x = 11,809,041,857,034.42
  5. Step 5: Solve for x
    x = 11,809,041,857,034.42/4,858,850.76
  6. Step 6: Final answer
    x = 2,430,418.72

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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.