Finding the Fourth Proportional to 5,009,631.30, 6,913,293.70 and 2,717,791.38
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Solution
The fourth proportional to 5,009,631.30, 6,913,293.70 and 2,717,791.38 is: 3,750,553.46
Step by Step Solution
- Step 1: Write the proportion equation
5,009,631.30 : 6,913,293.70 = 2,717,791.38 : x - Step 2: Convert to fraction form
5,009,631.30/6,913,293.70 = 2,717,791.38/x - Step 3: Cross multiply
5,009,631.30x = 6,913,293.70 × 2,717,791.38 - Step 4: Simplify right side
5,009,631.30x = 18,788,890,025,268.30 - Step 5: Solve for x
x = 18,788,890,025,268.30/5,009,631.30 - Step 6: Final answer
x = 3,750,553.46
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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.