Home / 2,147,221-3,220,850.94-651,313

Finding the Fourth Proportional to 2,147,221, 3,220,850.94 and 651,313

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Solution

The fourth proportional to 2,147,221, 3,220,850.94 and 651,313 is: 976,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,221 : 3,220,850.94 = 651,313 : x
  2. Step 2: Convert to fraction form
    2,147,221/3,220,850.94 = 651,313/x
  3. Step 3: Cross multiply
    2,147,221x = 3,220,850.94 × 651,313
  4. Step 4: Simplify right side
    2,147,221x = 2,097,782,088,284.22
  5. Step 5: Solve for x
    x = 2,097,782,088,284.22/2,147,221
  6. Step 6: Final answer
    x = 976,975.40

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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.