Finding the Fourth Proportional to 4,991,653.77, 6,888,476.16 and 2,699,808.99
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Solution
The fourth proportional to 4,991,653.77, 6,888,476.16 and 2,699,808.99 is: 3,725,733.14
Step by Step Solution
- Step 1: Write the proportion equation
4,991,653.77 : 6,888,476.16 = 2,699,808.99 : x - Step 2: Convert to fraction form
4,991,653.77/6,888,476.16 = 2,699,808.99/x - Step 3: Cross multiply
4,991,653.77x = 6,888,476.16 × 2,699,808.99 - Step 4: Simplify right side
4,991,653.77x = 18,597,569,864,168.68 - Step 5: Solve for x
x = 18,597,569,864,168.68/4,991,653.77 - Step 6: Final answer
x = 3,725,733.14
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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.