Home / 2,172,923.80-3,259,968.90-1,937,894.20

Finding the Fourth Proportional to 2,172,923.80, 3,259,968.90 and 1,937,894.20

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Solution

The fourth proportional to 2,172,923.80, 3,259,968.90 and 1,937,894.20 is: 2,907,361.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,923.80 : 3,259,968.90 = 1,937,894.20 : x
  2. Step 2: Convert to fraction form
    2,172,923.80/3,259,968.90 = 1,937,894.20/x
  3. Step 3: Cross multiply
    2,172,923.80x = 3,259,968.90 × 1,937,894.20
  4. Step 4: Simplify right side
    2,172,923.80x = 6,317,474,823,490.38
  5. Step 5: Solve for x
    x = 6,317,474,823,490.38/2,172,923.80
  6. Step 6: Final answer
    x = 2,907,361.42

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1.5x scale

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.