Finding the Fourth Proportional to 5,377,613.92, 7,412,703.86 and 3,655,745.08
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Solution
The fourth proportional to 5,377,613.92, 7,412,703.86 and 3,655,745.08 is: 5,039,215.55
Step by Step Solution
- Step 1: Write the proportion equation
5,377,613.92 : 7,412,703.86 = 3,655,745.08 : x - Step 2: Convert to fraction form
5,377,613.92/7,412,703.86 = 3,655,745.08/x - Step 3: Cross multiply
5,377,613.92x = 7,412,703.86 × 3,655,745.08 - Step 4: Simplify right side
5,377,613.92x = 27,098,955,665,692.01 - Step 5: Solve for x
x = 27,098,955,665,692.01/5,377,613.92 - Step 6: Final answer
x = 5,039,215.55
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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.