Home / 2,439,937.79-3,664,465.26-2,147,921.13

Finding the Fourth Proportional to 2,439,937.79, 3,664,465.26 and 2,147,921.13

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Solution

The fourth proportional to 2,439,937.79, 3,664,465.26 and 2,147,921.13 is: 3,225,894.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439,937.79 : 3,664,465.26 = 2,147,921.13 : x
  2. Step 2: Convert to fraction form
    2,439,937.79/3,664,465.26 = 2,147,921.13/x
  3. Step 3: Cross multiply
    2,439,937.79x = 3,664,465.26 × 2,147,921.13
  4. Step 4: Simplify right side
    2,439,937.79x = 7,870,982,367,791.99
  5. Step 5: Solve for x
    x = 7,870,982,367,791.99/2,439,937.79
  6. Step 6: Final answer
    x = 3,225,894.69

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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.