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Finding the Fourth Proportional to 1,894,486.82, 2,839,280.79 and 1,417,429.22

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Solution

The fourth proportional to 1,894,486.82, 2,839,280.79 and 1,417,429.22 is: 2,124,311.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894,486.82 : 2,839,280.79 = 1,417,429.22 : x
  2. Step 2: Convert to fraction form
    1,894,486.82/2,839,280.79 = 1,417,429.22/x
  3. Step 3: Cross multiply
    1,894,486.82x = 2,839,280.79 × 1,417,429.22
  4. Step 4: Simplify right side
    1,894,486.82x = 4,024,479,555,530.68
  5. Step 5: Solve for x
    x = 4,024,479,555,530.68/1,894,486.82
  6. Step 6: Final answer
    x = 2,124,311.19

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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.