Finding the Fourth Proportional to 5,472,212.72, 7,552,403.68 and 3,149,057.52
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Solution
The fourth proportional to 5,472,212.72, 7,552,403.68 and 3,149,057.52 is: 4,346,131.05
Step by Step Solution
- Step 1: Write the proportion equation
5,472,212.72 : 7,552,403.68 = 3,149,057.52 : x - Step 2: Convert to fraction form
5,472,212.72/7,552,403.68 = 3,149,057.52/x - Step 3: Cross multiply
5,472,212.72x = 7,552,403.68 × 3,149,057.52 - Step 4: Simplify right side
5,472,212.72x = 23,782,953,602,579.67 - Step 5: Solve for x
x = 23,782,953,602,579.67/5,472,212.72 - Step 6: Final answer
x = 4,346,131.05
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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.