Home / 2,159,052.40-3,238,578.60-663,144.40

Finding the Fourth Proportional to 2,159,052.40, 3,238,578.60 and 663,144.40

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Solution

The fourth proportional to 2,159,052.40, 3,238,578.60 and 663,144.40 is: 994,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,052.40 : 3,238,578.60 = 663,144.40 : x
  2. Step 2: Convert to fraction form
    2,159,052.40/3,238,578.60 = 663,144.40/x
  3. Step 3: Cross multiply
    2,159,052.40x = 3,238,578.60 × 663,144.40
  4. Step 4: Simplify right side
    2,159,052.40x = 2,147,645,262,549.84
  5. Step 5: Solve for x
    x = 2,147,645,262,549.84/2,159,052.40
  6. Step 6: Final answer
    x = 994,716.60

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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.