Finding the Fourth Proportional to 6,317,198.99, 8,718,133.23 and 3,562,881.47
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Solution
The fourth proportional to 6,317,198.99, 8,718,133.23 and 3,562,881.47 is: 4,917,001.25
Step by Step Solution
- Step 1: Write the proportion equation
6,317,198.99 : 8,718,133.23 = 3,562,881.47 : x - Step 2: Convert to fraction form
6,317,198.99/8,718,133.23 = 3,562,881.47/x - Step 3: Cross multiply
6,317,198.99x = 8,718,133.23 × 3,562,881.47 - Step 4: Simplify right side
6,317,198.99x = 31,061,675,338,158.25 - Step 5: Solve for x
x = 31,061,675,338,158.25/6,317,198.99 - Step 6: Final answer
x = 4,917,001.25
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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.