Home / 2,161,150.32-2,982,084.54-1,243,030.44

Finding the Fourth Proportional to 2,161,150.32, 2,982,084.54 and 1,243,030.44

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Solution

The fourth proportional to 2,161,150.32, 2,982,084.54 and 1,243,030.44 is: 1,715,207.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,150.32 : 2,982,084.54 = 1,243,030.44 : x
  2. Step 2: Convert to fraction form
    2,161,150.32/2,982,084.54 = 1,243,030.44/x
  3. Step 3: Cross multiply
    2,161,150.32x = 2,982,084.54 × 1,243,030.44
  4. Step 4: Simplify right side
    2,161,150.32x = 3,706,821,857,873.40
  5. Step 5: Solve for x
    x = 3,706,821,857,873.40/2,161,150.32
  6. Step 6: Final answer
    x = 1,715,207.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.