Finding the Fourth Proportional to 5,048,536.21, 6,967,528.40 and 3,114,747.07
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Solution
The fourth proportional to 5,048,536.21, 6,967,528.40 and 3,114,747.07 is: 4,298,689.32
Step by Step Solution
- Step 1: Write the proportion equation
5,048,536.21 : 6,967,528.40 = 3,114,747.07 : x - Step 2: Convert to fraction form
5,048,536.21/6,967,528.40 = 3,114,747.07/x - Step 3: Cross multiply
5,048,536.21x = 6,967,528.40 × 3,114,747.07 - Step 4: Simplify right side
5,048,536.21x = 21,702,088,659,409.83 - Step 5: Solve for x
x = 21,702,088,659,409.83/5,048,536.21 - Step 6: Final answer
x = 4,298,689.32
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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.