Finding the Fourth Proportional to 5,361,841.42, 8,038,241.96 and 2,326,921.18
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Solution
The fourth proportional to 5,361,841.42, 8,038,241.96 and 2,326,921.18 is: 3,488,420.12
Step by Step Solution
- Step 1: Write the proportion equation
5,361,841.42 : 8,038,241.96 = 2,326,921.18 : x - Step 2: Convert to fraction form
5,361,841.42/8,038,241.96 = 2,326,921.18/x - Step 3: Cross multiply
5,361,841.42x = 8,038,241.96 × 2,326,921.18 - Step 4: Simplify right side
5,361,841.42x = 18,704,355,491,477.79 - Step 5: Solve for x
x = 18,704,355,491,477.79/5,361,841.42 - Step 6: Final answer
x = 3,488,420.12
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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.