Finding the Fourth Proportional to 5,184,813.62, 7,153,047.20 and 3,247,701.86
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Solution
The fourth proportional to 5,184,813.62, 7,153,047.20 and 3,247,701.86 is: 4,480,578.55
Step by Step Solution
- Step 1: Write the proportion equation
5,184,813.62 : 7,153,047.20 = 3,247,701.86 : x - Step 2: Convert to fraction form
5,184,813.62/7,153,047.20 = 3,247,701.86/x - Step 3: Cross multiply
5,184,813.62x = 7,153,047.20 × 3,247,701.86 - Step 4: Simplify right side
5,184,813.62x = 23,230,964,696,107.79 - Step 5: Solve for x
x = 23,230,964,696,107.79/5,184,813.62 - Step 6: Final answer
x = 4,480,578.55
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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.