Home / 3,136,099.20-4,705,704-1,242,798.72

Finding the Fourth Proportional to 3,136,099.20, 4,705,704 and 1,242,798.72

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Solution

The fourth proportional to 3,136,099.20, 4,705,704 and 1,242,798.72 is: 1,864,814.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,099.20 : 4,705,704 = 1,242,798.72 : x
  2. Step 2: Convert to fraction form
    3,136,099.20/4,705,704 = 1,242,798.72/x
  3. Step 3: Cross multiply
    3,136,099.20x = 4,705,704 × 1,242,798.72
  4. Step 4: Simplify right side
    3,136,099.20x = 5,848,242,907,898.88
  5. Step 5: Solve for x
    x = 5,848,242,907,898.88/3,136,099.20
  6. Step 6: Final answer
    x = 1,864,814.39

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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.