Finding the Fourth Proportional to 4,660,193.20, 6,991,348.79 and 1,422,020.55
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Solution
The fourth proportional to 4,660,193.20, 6,991,348.79 and 1,422,020.55 is: 2,133,353.97
Step by Step Solution
- Step 1: Write the proportion equation
4,660,193.20 : 6,991,348.79 = 1,422,020.55 : x - Step 2: Convert to fraction form
4,660,193.20/6,991,348.79 = 1,422,020.55/x - Step 3: Cross multiply
4,660,193.20x = 6,991,348.79 × 1,422,020.55 - Step 4: Simplify right side
4,660,193.20x = 9,941,841,651,597.64 - Step 5: Solve for x
x = 9,941,841,651,597.64/4,660,193.20 - Step 6: Final answer
x = 2,133,353.97
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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.