Home / 4,879,958.40-7,318,537.92-1,887,442.56

Finding the Fourth Proportional to 4,879,958.40, 7,318,537.92 and 1,887,442.56

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Solution

The fourth proportional to 4,879,958.40, 7,318,537.92 and 1,887,442.56 is: 2,830,622.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879,958.40 : 7,318,537.92 = 1,887,442.56 : x
  2. Step 2: Convert to fraction form
    4,879,958.40/7,318,537.92 = 1,887,442.56/x
  3. Step 3: Cross multiply
    4,879,958.40x = 7,318,537.92 × 1,887,442.56
  4. Step 4: Simplify right side
    4,879,958.40x = 13,813,319,947,181.88
  5. Step 5: Solve for x
    x = 13,813,319,947,181.88/4,879,958.40
  6. Step 6: Final answer
    x = 2,830,622.48

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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.