Home / 1,921,570.20-2,882,355.30-976,786.20

Finding the Fourth Proportional to 1,921,570.20, 2,882,355.30 and 976,786.20

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Solution

The fourth proportional to 1,921,570.20, 2,882,355.30 and 976,786.20 is: 1,465,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,570.20 : 2,882,355.30 = 976,786.20 : x
  2. Step 2: Convert to fraction form
    1,921,570.20/2,882,355.30 = 976,786.20/x
  3. Step 3: Cross multiply
    1,921,570.20x = 2,882,355.30 × 976,786.20
  4. Step 4: Simplify right side
    1,921,570.20x = 2,815,444,880,536.86
  5. Step 5: Solve for x
    x = 2,815,444,880,536.86/1,921,570.20
  6. Step 6: Final answer
    x = 1,465,179.30

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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.