Home / 5,521,564.62-8,281,349.69-1,928,359.22

Finding the Fourth Proportional to 5,521,564.62, 8,281,349.69 and 1,928,359.22

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Solution

The fourth proportional to 5,521,564.62, 8,281,349.69 and 1,928,359.22 is: 2,892,190.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521,564.62 : 8,281,349.69 = 1,928,359.22 : x
  2. Step 2: Convert to fraction form
    5,521,564.62/8,281,349.69 = 1,928,359.22/x
  3. Step 3: Cross multiply
    5,521,564.62x = 8,281,349.69 × 1,928,359.22
  4. Step 4: Simplify right side
    5,521,564.62x = 15,969,416,977,707.10
  5. Step 5: Solve for x
    x = 15,969,416,977,707.10/5,521,564.62
  6. Step 6: Final answer
    x = 2,892,190.54

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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.