Finding the Fourth Proportional to 4,757,757.84, 7,136,574.89 and 1,163,555.91
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Solution
The fourth proportional to 4,757,757.84, 7,136,574.89 and 1,163,555.91 is: 1,745,318.73
Step by Step Solution
- Step 1: Write the proportion equation
4,757,757.84 : 7,136,574.89 = 1,163,555.91 : x - Step 2: Convert to fraction form
4,757,757.84/7,136,574.89 = 1,163,555.91/x - Step 3: Cross multiply
4,757,757.84x = 7,136,574.89 × 1,163,555.91 - Step 4: Simplify right side
4,757,757.84x = 8,303,803,884,599.32 - Step 5: Solve for x
x = 8,303,803,884,599.32/4,757,757.84 - Step 6: Final answer
x = 1,745,318.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.