Home / 2,171,127.40-3,256,107.90-908,693.80

Finding the Fourth Proportional to 2,171,127.40, 3,256,107.90 and 908,693.80

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Solution

The fourth proportional to 2,171,127.40, 3,256,107.90 and 908,693.80 is: 1,362,796.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,127.40 : 3,256,107.90 = 908,693.80 : x
  2. Step 2: Convert to fraction form
    2,171,127.40/3,256,107.90 = 908,693.80/x
  3. Step 3: Cross multiply
    2,171,127.40x = 3,256,107.90 × 908,693.80
  4. Step 4: Simplify right side
    2,171,127.40x = 2,958,805,060,861.02
  5. Step 5: Solve for x
    x = 2,958,805,060,861.02/2,171,127.40
  6. Step 6: Final answer
    x = 1,362,796.61

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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.