Home / 2,098,151.98-3,147,228-678,208.01

Finding the Fourth Proportional to 2,098,151.98, 3,147,228 and 678,208.01

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Solution

The fourth proportional to 2,098,151.98, 3,147,228 and 678,208.01 is: 1,017,312.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098,151.98 : 3,147,228 = 678,208.01 : x
  2. Step 2: Convert to fraction form
    2,098,151.98/3,147,228 = 678,208.01/x
  3. Step 3: Cross multiply
    2,098,151.98x = 3,147,228 × 678,208.01
  4. Step 4: Simplify right side
    2,098,151.98x = 2,134,475,223,160.14
  5. Step 5: Solve for x
    x = 2,134,475,223,160.14/2,098,151.98
  6. Step 6: Final answer
    x = 1,017,312.02

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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.