Finding the Fourth Proportional to 6,328,718.73, 8,733,642.35 and 3,428,133.44
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Solution
The fourth proportional to 6,328,718.73, 8,733,642.35 and 3,428,133.44 is: 4,730,829.83
Step by Step Solution
- Step 1: Write the proportion equation
6,328,718.73 : 8,733,642.35 = 3,428,133.44 : x - Step 2: Convert to fraction form
6,328,718.73/8,733,642.35 = 3,428,133.44/x - Step 3: Cross multiply
6,328,718.73x = 8,733,642.35 × 3,428,133.44 - Step 4: Simplify right side
6,328,718.73x = 29,940,091,332,226.31 - Step 5: Solve for x
x = 29,940,091,332,226.31/6,328,718.73 - Step 6: Final answer
x = 4,730,829.83
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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.