Finding the Fourth Proportional to 5,174,417.05, 7,088,976.66 and 4,980,481.07
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Solution
The fourth proportional to 5,174,417.05, 7,088,976.66 and 4,980,481.07 is: 6,823,283.41
Step by Step Solution
- Step 1: Write the proportion equation
5,174,417.05 : 7,088,976.66 = 4,980,481.07 : x - Step 2: Convert to fraction form
5,174,417.05/7,088,976.66 = 4,980,481.07/x - Step 3: Cross multiply
5,174,417.05x = 7,088,976.66 × 4,980,481.07 - Step 4: Simplify right side
5,174,417.05x = 35,306,514,041,886.43 - Step 5: Solve for x
x = 35,306,514,041,886.43/5,174,417.05 - Step 6: Final answer
x = 6,823,283.41
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.