Finding the Fourth Proportional to 4,343,370.40, 5,993,887.28 and 2,409,757.76
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Solution
The fourth proportional to 4,343,370.40, 5,993,887.28 and 2,409,757.76 is: 3,325,485.75
Step by Step Solution
- Step 1: Write the proportion equation
4,343,370.40 : 5,993,887.28 = 2,409,757.76 : x - Step 2: Convert to fraction form
4,343,370.40/5,993,887.28 = 2,409,757.76/x - Step 3: Cross multiply
4,343,370.40x = 5,993,887.28 × 2,409,757.76 - Step 4: Simplify right side
4,343,370.40x = 14,443,816,385,545.29 - Step 5: Solve for x
x = 14,443,816,385,545.29/4,343,370.40 - Step 6: Final answer
x = 3,325,485.75
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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.