Home / 5,245,023.72-7,868,935.68-1,879,570.92

Finding the Fourth Proportional to 5,245,023.72, 7,868,935.68 and 1,879,570.92

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Solution

The fourth proportional to 5,245,023.72, 7,868,935.68 and 1,879,570.92 is: 2,819,858.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245,023.72 : 7,868,935.68 = 1,879,570.92 : x
  2. Step 2: Convert to fraction form
    5,245,023.72/7,868,935.68 = 1,879,570.92/x
  3. Step 3: Cross multiply
    5,245,023.72x = 7,868,935.68 × 1,879,570.92
  4. Step 4: Simplify right side
    5,245,023.72x = 14,790,222,675,478.42
  5. Step 5: Solve for x
    x = 14,790,222,675,478.42/5,245,023.72
  6. Step 6: Final answer
    x = 2,819,858.11

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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.