Finding the Fourth Proportional to 3,484,302.11, 4,808,369.80 and 1,914,466.68
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Solution
The fourth proportional to 3,484,302.11, 4,808,369.80 and 1,914,466.68 is: 2,641,982.09
Step by Step Solution
- Step 1: Write the proportion equation
3,484,302.11 : 4,808,369.80 = 1,914,466.68 : x - Step 2: Convert to fraction form
3,484,302.11/4,808,369.80 = 1,914,466.68/x - Step 3: Cross multiply
3,484,302.11x = 4,808,369.80 × 1,914,466.68 - Step 4: Simplify right side
3,484,302.11x = 9,205,463,767,218.26 - Step 5: Solve for x
x = 9,205,463,767,218.26/3,484,302.11 - Step 6: Final answer
x = 2,641,982.09
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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.