Home / 3,089,136.60-4,634,142.30-958,998.60

Finding the Fourth Proportional to 3,089,136.60, 4,634,142.30 and 958,998.60

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Solution

The fourth proportional to 3,089,136.60, 4,634,142.30 and 958,998.60 is: 1,438,633.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089,136.60 : 4,634,142.30 = 958,998.60 : x
  2. Step 2: Convert to fraction form
    3,089,136.60/4,634,142.30 = 958,998.60/x
  3. Step 3: Cross multiply
    3,089,136.60x = 4,634,142.30 × 958,998.60
  4. Step 4: Simplify right side
    3,089,136.60x = 4,444,135,977,900.78
  5. Step 5: Solve for x
    x = 4,444,135,977,900.78/3,089,136.60
  6. Step 6: Final answer
    x = 1,438,633.69

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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.