Finding the Fourth Proportional to 4,016,781.36, 5,543,137.68 and 2,181,223.08
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Solution
The fourth proportional to 4,016,781.36, 5,543,137.68 and 2,181,223.08 is: 3,010,076.67
Step by Step Solution
- Step 1: Write the proportion equation
4,016,781.36 : 5,543,137.68 = 2,181,223.08 : x - Step 2: Convert to fraction form
4,016,781.36/5,543,137.68 = 2,181,223.08/x - Step 3: Cross multiply
4,016,781.36x = 5,543,137.68 × 2,181,223.08 - Step 4: Simplify right side
4,016,781.36x = 12,090,819,843,233.65 - Step 5: Solve for x
x = 12,090,819,843,233.65/4,016,781.36 - Step 6: Final answer
x = 3,010,076.67
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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.