Home / 2,821,833.64-3,894,159-1,532,699.20

Finding the Fourth Proportional to 2,821,833.64, 3,894,159 and 1,532,699.20

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Solution

The fourth proportional to 2,821,833.64, 3,894,159 and 1,532,699.20 is: 2,115,140.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,833.64 : 3,894,159 = 1,532,699.20 : x
  2. Step 2: Convert to fraction form
    2,821,833.64/3,894,159 = 1,532,699.20/x
  3. Step 3: Cross multiply
    2,821,833.64x = 3,894,159 × 1,532,699.20
  4. Step 4: Simplify right side
    2,821,833.64x = 5,968,574,383,972.80
  5. Step 5: Solve for x
    x = 5,968,574,383,972.80/2,821,833.64
  6. Step 6: Final answer
    x = 2,115,140.42

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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.