Finding the Fourth Proportional to 5,677,956.95, 7,835,612.42 and 3,230,567.94
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Solution
The fourth proportional to 5,677,956.95, 7,835,612.42 and 3,230,567.94 is: 4,458,201.87
Step by Step Solution
- Step 1: Write the proportion equation
5,677,956.95 : 7,835,612.42 = 3,230,567.94 : x - Step 2: Convert to fraction form
5,677,956.95/7,835,612.42 = 3,230,567.94/x - Step 3: Cross multiply
5,677,956.95x = 7,835,612.42 × 3,230,567.94 - Step 4: Simplify right side
5,677,956.95x = 25,313,478,274,317.81 - Step 5: Solve for x
x = 25,313,478,274,317.81/5,677,956.95 - Step 6: Final answer
x = 4,458,201.87
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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.