Finding the Fourth Proportional to 5,416,275.63, 7,474,550.68 and 2,935,575.53
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Solution
The fourth proportional to 5,416,275.63, 7,474,550.68 and 2,935,575.53 is: 4,051,143.17
Step by Step Solution
- Step 1: Write the proportion equation
5,416,275.63 : 7,474,550.68 = 2,935,575.53 : x - Step 2: Convert to fraction form
5,416,275.63/7,474,550.68 = 2,935,575.53/x - Step 3: Cross multiply
5,416,275.63x = 7,474,550.68 × 2,935,575.53 - Step 4: Simplify right side
5,416,275.63x = 21,942,108,021,902.23 - Step 5: Solve for x
x = 21,942,108,021,902.23/5,416,275.63 - Step 6: Final answer
x = 4,051,143.17
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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.