Finding the Fourth Proportional to 4,089,716.86, 5,643,477.44 and 2,370,948.09
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Solution
The fourth proportional to 4,089,716.86, 5,643,477.44 and 2,370,948.09 is: 3,271,715.99
Step by Step Solution
- Step 1: Write the proportion equation
4,089,716.86 : 5,643,477.44 = 2,370,948.09 : x - Step 2: Convert to fraction form
4,089,716.86/5,643,477.44 = 2,370,948.09/x - Step 3: Cross multiply
4,089,716.86x = 5,643,477.44 × 2,370,948.09 - Step 4: Simplify right side
4,089,716.86x = 13,380,392,057,326.09 - Step 5: Solve for x
x = 13,380,392,057,326.09/4,089,716.86 - Step 6: Final answer
x = 3,271,715.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.