Home / 5,183,834.21-7,779,222.08-2,151,203.03

Finding the Fourth Proportional to 5,183,834.21, 7,779,222.08 and 2,151,203.03

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Solution

The fourth proportional to 5,183,834.21, 7,779,222.08 and 2,151,203.03 is: 3,228,244.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183,834.21 : 7,779,222.08 = 2,151,203.03 : x
  2. Step 2: Convert to fraction form
    5,183,834.21/7,779,222.08 = 2,151,203.03/x
  3. Step 3: Cross multiply
    5,183,834.21x = 7,779,222.08 × 2,151,203.03
  4. Step 4: Simplify right side
    5,183,834.21x = 16,734,686,098,782.89
  5. Step 5: Solve for x
    x = 16,734,686,098,782.89/5,183,834.21
  6. Step 6: Final answer
    x = 3,228,244.85

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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.