Finding the Fourth Proportional to 1,431,330.30, 2,146,994.07 and 366,370.65
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Solution
The fourth proportional to 1,431,330.30, 2,146,994.07 and 366,370.65 is: 549,555.62
Step by Step Solution
- Step 1: Write the proportion equation
1,431,330.30 : 2,146,994.07 = 366,370.65 : x - Step 2: Convert to fraction form
1,431,330.30/2,146,994.07 = 366,370.65/x - Step 3: Cross multiply
1,431,330.30x = 2,146,994.07 × 366,370.65 - Step 4: Simplify right side
1,431,330.30x = 786,595,612,972.05 - Step 5: Solve for x
x = 786,595,612,972.05/1,431,330.30 - Step 6: Final answer
x = 549,555.62
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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.