Finding the Fourth Proportional to 5,285,476.08, 7,294,979.52 and 3,446,742.12
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Solution
The fourth proportional to 5,285,476.08, 7,294,979.52 and 3,446,742.12 is: 4,757,170.93
Step by Step Solution
- Step 1: Write the proportion equation
5,285,476.08 : 7,294,979.52 = 3,446,742.12 : x - Step 2: Convert to fraction form
5,285,476.08/7,294,979.52 = 3,446,742.12/x - Step 3: Cross multiply
5,285,476.08x = 7,294,979.52 × 3,446,742.12 - Step 4: Simplify right side
5,285,476.08x = 25,143,913,139,646.48 - Step 5: Solve for x
x = 25,143,913,139,646.48/5,285,476.08 - Step 6: Final answer
x = 4,757,170.93
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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.