Finding the Fourth Proportional to 5,463,813.18, 8,194,291.56 and 1,624,601.66
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Solution
The fourth proportional to 5,463,813.18, 8,194,291.56 and 1,624,601.66 is: 2,436,477.82
Step by Step Solution
- Step 1: Write the proportion equation
5,463,813.18 : 8,194,291.56 = 1,624,601.66 : x - Step 2: Convert to fraction form
5,463,813.18/8,194,291.56 = 1,624,601.66/x - Step 3: Cross multiply
5,463,813.18x = 8,194,291.56 × 1,624,601.66 - Step 4: Simplify right side
5,463,813.18x = 13,312,459,629,928.53 - Step 5: Solve for x
x = 13,312,459,629,928.53/5,463,813.18 - Step 6: Final answer
x = 2,436,477.82
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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.