Home / 2,147,222-3,220,852.44-651,314

Finding the Fourth Proportional to 2,147,222, 3,220,852.44 and 651,314

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Solution

The fourth proportional to 2,147,222, 3,220,852.44 and 651,314 is: 976,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,222 : 3,220,852.44 = 651,314 : x
  2. Step 2: Convert to fraction form
    2,147,222/3,220,852.44 = 651,314/x
  3. Step 3: Cross multiply
    2,147,222x = 3,220,852.44 × 651,314
  4. Step 4: Simplify right side
    2,147,222x = 2,097,786,286,106.16
  5. Step 5: Solve for x
    x = 2,097,786,286,106.16/2,147,222
  6. Step 6: Final answer
    x = 976,976.90

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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.