Finding the Fourth Proportional to 2,756,183.15, 3,806,437.96 and 2,455,623.74
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Solution
The fourth proportional to 2,756,183.15, 3,806,437.96 and 2,455,623.74 is: 3,391,349.16
Step by Step Solution
- Step 1: Write the proportion equation
2,756,183.15 : 3,806,437.96 = 2,455,623.74 : x - Step 2: Convert to fraction form
2,756,183.15/3,806,437.96 = 2,455,623.74/x - Step 3: Cross multiply
2,756,183.15x = 3,806,437.96 × 2,455,623.74 - Step 4: Simplify right side
2,756,183.15x = 9,347,179,431,998.80 - Step 5: Solve for x
x = 9,347,179,431,998.80/2,756,183.15 - Step 6: Final answer
x = 3,391,349.16
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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.