Finding the Fourth Proportional to 4,089,564.48, 5,643,771.68 and 2,278,728
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Solution
The fourth proportional to 4,089,564.48, 5,643,771.68 and 2,278,728 is: 3,144,740.87
Step by Step Solution
- Step 1: Write the proportion equation
4,089,564.48 : 5,643,771.68 = 2,278,728 : x - Step 2: Convert to fraction form
4,089,564.48/5,643,771.68 = 2,278,728/x - Step 3: Cross multiply
4,089,564.48x = 5,643,771.68 × 2,278,728 - Step 4: Simplify right side
4,089,564.48x = 12,860,620,552,823.04 - Step 5: Solve for x
x = 12,860,620,552,823.04/4,089,564.48 - Step 6: Final answer
x = 3,144,740.87
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1.5x scale
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.