Home / 2,171,620.07-3,257,455.19-655,316.14

Finding the Fourth Proportional to 2,171,620.07, 3,257,455.19 and 655,316.14

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Solution

The fourth proportional to 2,171,620.07, 3,257,455.19 and 655,316.14 is: 982,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,620.07 : 3,257,455.19 = 655,316.14 : x
  2. Step 2: Convert to fraction form
    2,171,620.07/3,257,455.19 = 655,316.14/x
  3. Step 3: Cross multiply
    2,171,620.07x = 3,257,455.19 × 655,316.14
  4. Step 4: Simplify right side
    2,171,620.07x = 2,134,662,959,707.43
  5. Step 5: Solve for x
    x = 2,134,662,959,707.43/2,171,620.07
  6. Step 6: Final answer
    x = 982,981.78

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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.