Finding the Fourth Proportional to 4,343,120.87, 5,993,513.85 and 2,409,381.45
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Solution
The fourth proportional to 4,343,120.87, 5,993,513.85 and 2,409,381.45 is: 3,324,950.32
Step by Step Solution
- Step 1: Write the proportion equation
4,343,120.87 : 5,993,513.85 = 2,409,381.45 : x - Step 2: Convert to fraction form
4,343,120.87/5,993,513.85 = 2,409,381.45/x - Step 3: Cross multiply
4,343,120.87x = 5,993,513.85 × 2,409,381.45 - Step 4: Simplify right side
4,343,120.87x = 14,440,661,090,508.08 - Step 5: Solve for x
x = 14,440,661,090,508.08/4,343,120.87 - Step 6: Final answer
x = 3,324,950.32
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1.5x scale
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.