Finding the Fourth Proportional to 5,332,126.40, 7,999,062.24 and 1,689,104.96
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Solution
The fourth proportional to 5,332,126.40, 7,999,062.24 and 1,689,104.96 is: 2,533,933.87
Step by Step Solution
- Step 1: Write the proportion equation
5,332,126.40 : 7,999,062.24 = 1,689,104.96 : x - Step 2: Convert to fraction form
5,332,126.40/7,999,062.24 = 1,689,104.96/x - Step 3: Cross multiply
5,332,126.40x = 7,999,062.24 × 1,689,104.96 - Step 4: Simplify right side
5,332,126.40x = 13,511,255,704,932.71 - Step 5: Solve for x
x = 13,511,255,704,932.71/5,332,126.40 - Step 6: Final answer
x = 2,533,933.87
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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.