Home / 4,769,531.30-7,145,284.83-2,818,439.90

Finding the Fourth Proportional to 4,769,531.30, 7,145,284.83 and 2,818,439.90

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Solution

The fourth proportional to 4,769,531.30, 7,145,284.83 and 2,818,439.90 is: 4,222,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769,531.30 : 7,145,284.83 = 2,818,439.90 : x
  2. Step 2: Convert to fraction form
    4,769,531.30/7,145,284.83 = 2,818,439.90/x
  3. Step 3: Cross multiply
    4,769,531.30x = 7,145,284.83 × 2,818,439.90
  4. Step 4: Simplify right side
    4,769,531.30x = 20,138,555,861,736.71
  5. Step 5: Solve for x
    x = 20,138,555,861,736.71/4,769,531.30
  6. Step 6: Final answer
    x = 4,222,334.35

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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.