Finding the Fourth Proportional to 3,089,352.60, 4,634,028.90 and 2,664,199.80
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Solution
The fourth proportional to 3,089,352.60, 4,634,028.90 and 2,664,199.80 is: 3,996,299.70
Step by Step Solution
- Step 1: Write the proportion equation
3,089,352.60 : 4,634,028.90 = 2,664,199.80 : x - Step 2: Convert to fraction form
3,089,352.60/4,634,028.90 = 2,664,199.80/x - Step 3: Cross multiply
3,089,352.60x = 4,634,028.90 × 2,664,199.80 - Step 4: Simplify right side
3,089,352.60x = 12,345,978,868,574.22 - Step 5: Solve for x
x = 12,345,978,868,574.22/3,089,352.60 - Step 6: Final answer
x = 3,996,299.70
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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.