Finding the Fourth Proportional to 5,198,567.71, 7,173,542.00 and 2,875,410.23
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Solution
The fourth proportional to 5,198,567.71, 7,173,542.00 and 2,875,410.23 is: 3,967,799.83
Step by Step Solution
- Step 1: Write the proportion equation
5,198,567.71 : 7,173,542.00 = 2,875,410.23 : x - Step 2: Convert to fraction form
5,198,567.71/7,173,542.00 = 2,875,410.23/x - Step 3: Cross multiply
5,198,567.71x = 7,173,542.00 × 2,875,410.23 - Step 4: Simplify right side
5,198,567.71x = 20,626,876,079,924.64 - Step 5: Solve for x
x = 20,626,876,079,924.64/5,198,567.71 - Step 6: Final answer
x = 3,967,799.83
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1.5x scale
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.