Home / 2,287,788.68-3,431,707.32-690,365.81

Finding the Fourth Proportional to 2,287,788.68, 3,431,707.32 and 690,365.81

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Solution

The fourth proportional to 2,287,788.68, 3,431,707.32 and 690,365.81 is: 1,035,556.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,788.68 : 3,431,707.32 = 690,365.81 : x
  2. Step 2: Convert to fraction form
    2,287,788.68/3,431,707.32 = 690,365.81/x
  3. Step 3: Cross multiply
    2,287,788.68x = 3,431,707.32 × 690,365.81
  4. Step 4: Simplify right side
    2,287,788.68x = 2,369,133,403,654.73
  5. Step 5: Solve for x
    x = 2,369,133,403,654.73/2,287,788.68
  6. Step 6: Final answer
    x = 1,035,556.05

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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.