Finding the Fourth Proportional to 5,408,042.96, 7,468,158.06 and 3,477,657.44
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Solution
The fourth proportional to 5,408,042.96, 7,468,158.06 and 3,477,657.44 is: 4,802,420.32
Step by Step Solution
- Step 1: Write the proportion equation
5,408,042.96 : 7,468,158.06 = 3,477,657.44 : x - Step 2: Convert to fraction form
5,408,042.96/7,468,158.06 = 3,477,657.44/x - Step 3: Cross multiply
5,408,042.96x = 7,468,158.06 × 3,477,657.44 - Step 4: Simplify right side
5,408,042.96x = 25,971,695,403,114.18 - Step 5: Solve for x
x = 25,971,695,403,114.18/5,408,042.96 - Step 6: Final answer
x = 4,802,420.32
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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.