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Finding the Fourth Proportional to 1,867,798.62, 2,801,698.68 and 1,441,956.15

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Solution

The fourth proportional to 1,867,798.62, 2,801,698.68 and 1,441,956.15 is: 2,162,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,798.62 : 2,801,698.68 = 1,441,956.15 : x
  2. Step 2: Convert to fraction form
    1,867,798.62/2,801,698.68 = 1,441,956.15/x
  3. Step 3: Cross multiply
    1,867,798.62x = 2,801,698.68 × 1,441,956.15
  4. Step 4: Simplify right side
    1,867,798.62x = 4,039,926,642,072.88
  5. Step 5: Solve for x
    x = 4,039,926,642,072.88/1,867,798.62
  6. Step 6: Final answer
    x = 2,162,934.80

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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.