Finding the Fourth Proportional to 5,253,015.96, 7,249,272.84 and 2,961,176.67
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Solution
The fourth proportional to 5,253,015.96, 7,249,272.84 and 2,961,176.67 is: 4,086,486.27
Step by Step Solution
- Step 1: Write the proportion equation
5,253,015.96 : 7,249,272.84 = 2,961,176.67 : x - Step 2: Convert to fraction form
5,253,015.96/7,249,272.84 = 2,961,176.67/x - Step 3: Cross multiply
5,253,015.96x = 7,249,272.84 × 2,961,176.67 - Step 4: Simplify right side
5,253,015.96x = 21,466,377,608,272.64 - Step 5: Solve for x
x = 21,466,377,608,272.64/5,253,015.96 - Step 6: Final answer
x = 4,086,486.27
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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.