Home / 5,188,890.76-7,749,268.55-4,422,565.96

Finding the Fourth Proportional to 5,188,890.76, 7,749,268.55 and 4,422,565.96

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Solution

The fourth proportional to 5,188,890.76, 7,749,268.55 and 4,422,565.96 is: 6,604,812.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,890.76 : 7,749,268.55 = 4,422,565.96 : x
  2. Step 2: Convert to fraction form
    5,188,890.76/7,749,268.55 = 4,422,565.96/x
  3. Step 3: Cross multiply
    5,188,890.76x = 7,749,268.55 × 4,422,565.96
  4. Step 4: Simplify right side
    5,188,890.76x = 34,271,651,304,128.56
  5. Step 5: Solve for x
    x = 34,271,651,304,128.56/5,188,890.76
  6. Step 6: Final answer
    x = 6,604,812.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.