Home / 4,878,705.74-7,317,394.27-1,284,171.67

Finding the Fourth Proportional to 4,878,705.74, 7,317,394.27 and 1,284,171.67

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Solution

The fourth proportional to 4,878,705.74, 7,317,394.27 and 1,284,171.67 is: 1,926,082.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878,705.74 : 7,317,394.27 = 1,284,171.67 : x
  2. Step 2: Convert to fraction form
    4,878,705.74/7,317,394.27 = 1,284,171.67/x
  3. Step 3: Cross multiply
    4,878,705.74x = 7,317,394.27 × 1,284,171.67
  4. Step 4: Simplify right side
    4,878,705.74x = 9,396,790,425,690.65
  5. Step 5: Solve for x
    x = 9,396,790,425,690.65/4,878,705.74
  6. Step 6: Final answer
    x = 1,926,082.64

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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.