Finding the Fourth Proportional to 5,535,527.42, 7,639,031.10 and 3,088,138.48
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Solution
The fourth proportional to 5,535,527.42, 7,639,031.10 and 3,088,138.48 is: 4,261,632.92
Step by Step Solution
- Step 1: Write the proportion equation
5,535,527.42 : 7,639,031.10 = 3,088,138.48 : x - Step 2: Convert to fraction form
5,535,527.42/7,639,031.10 = 3,088,138.48/x - Step 3: Cross multiply
5,535,527.42x = 7,639,031.10 × 3,088,138.48 - Step 4: Simplify right side
5,535,527.42x = 23,590,385,889,826.73 - Step 5: Solve for x
x = 23,590,385,889,826.73/5,535,527.42 - Step 6: Final answer
x = 4,261,632.92
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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.