Home / 1,928,421.17-2,661,492.32-1,193,611.14

Finding the Fourth Proportional to 1,928,421.17, 2,661,492.32 and 1,193,611.14

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Solution

The fourth proportional to 1,928,421.17, 2,661,492.32 and 1,193,611.14 is: 1,647,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,421.17 : 2,661,492.32 = 1,193,611.14 : x
  2. Step 2: Convert to fraction form
    1,928,421.17/2,661,492.32 = 1,193,611.14/x
  3. Step 3: Cross multiply
    1,928,421.17x = 2,661,492.32 × 1,193,611.14
  4. Step 4: Simplify right side
    1,928,421.17x = 3,176,786,882,176.44
  5. Step 5: Solve for x
    x = 3,176,786,882,176.44/1,928,421.17
  6. Step 6: Final answer
    x = 1,647,351.18

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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.