Finding the Fourth Proportional to 3,116,190.40, 4,673,119.20 and 1,093,652.80
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Solution
The fourth proportional to 3,116,190.40, 4,673,119.20 and 1,093,652.80 is: 1,640,069.84
Step by Step Solution
- Step 1: Write the proportion equation
3,116,190.40 : 4,673,119.20 = 1,093,652.80 : x - Step 2: Convert to fraction form
3,116,190.40/4,673,119.20 = 1,093,652.80/x - Step 3: Cross multiply
3,116,190.40x = 4,673,119.20 × 1,093,652.80 - Step 4: Simplify right side
3,116,190.40x = 5,110,769,897,813.76 - Step 5: Solve for x
x = 5,110,769,897,813.76/3,116,190.40 - Step 6: Final answer
x = 1,640,069.84
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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.