Finding the Fourth Proportional to 4,018,715.74, 5,545,805.56 and 2,183,159.36
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Solution
The fourth proportional to 4,018,715.74, 5,545,805.56 and 2,183,159.36 is: 3,012,747.88
Step by Step Solution
- Step 1: Write the proportion equation
4,018,715.74 : 5,545,805.56 = 2,183,159.36 : x - Step 2: Convert to fraction form
4,018,715.74/5,545,805.56 = 2,183,159.36/x - Step 3: Cross multiply
4,018,715.74x = 5,545,805.56 × 2,183,159.36 - Step 4: Simplify right side
4,018,715.74x = 12,107,377,317,054.04 - Step 5: Solve for x
x = 12,107,377,317,054.04/4,018,715.74 - Step 6: Final answer
x = 3,012,747.88
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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.