Finding the Fourth Proportional to 3,551,362.20, 5,320,919.70 and 1,654,212.60
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Solution
The fourth proportional to 3,551,362.20, 5,320,919.70 and 1,654,212.60 is: 2,478,466.55
Step by Step Solution
- Step 1: Write the proportion equation
3,551,362.20 : 5,320,919.70 = 1,654,212.60 : x - Step 2: Convert to fraction form
3,551,362.20/5,320,919.70 = 1,654,212.60/x - Step 3: Cross multiply
3,551,362.20x = 5,320,919.70 × 1,654,212.60 - Step 4: Simplify right side
3,551,362.20x = 8,801,932,411,328.22 - Step 5: Solve for x
x = 8,801,932,411,328.22/3,551,362.20 - Step 6: Final answer
x = 2,478,466.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.