Finding the Fourth Proportional to 5,184,341.48, 7,776,512.22 and 1,638,209
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Solution
The fourth proportional to 5,184,341.48, 7,776,512.22 and 1,638,209 is: 2,457,313.50
Step by Step Solution
- Step 1: Write the proportion equation
5,184,341.48 : 7,776,512.22 = 1,638,209 : x - Step 2: Convert to fraction form
5,184,341.48/7,776,512.22 = 1,638,209/x - Step 3: Cross multiply
5,184,341.48x = 7,776,512.22 × 1,638,209 - Step 4: Simplify right side
5,184,341.48x = 12,739,552,307,413.98 - Step 5: Solve for x
x = 12,739,552,307,413.98/5,184,341.48 - Step 6: Final answer
x = 2,457,313.50
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1.5x scale
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.