Finding the Fourth Proportional to 5,133,486.60, 7,707,799.68 and 2,863,446.24
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Solution
The fourth proportional to 5,133,486.60, 7,707,799.68 and 2,863,446.24 is: 4,299,391.76
Step by Step Solution
- Step 1: Write the proportion equation
5,133,486.60 : 7,707,799.68 = 2,863,446.24 : x - Step 2: Convert to fraction form
5,133,486.60/7,707,799.68 = 2,863,446.24/x - Step 3: Cross multiply
5,133,486.60x = 7,707,799.68 × 2,863,446.24 - Step 4: Simplify right side
5,133,486.60x = 22,070,870,012,369.20 - Step 5: Solve for x
x = 22,070,870,012,369.20/5,133,486.60 - Step 6: Final answer
x = 4,299,391.76
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1.5x scale
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.