Finding the Fourth Proportional to 1,590,531.57, 2,194,956.09 and 865,379.79
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Solution
The fourth proportional to 1,590,531.57, 2,194,956.09 and 865,379.79 is: 1,194,236.36
Step by Step Solution
- Step 1: Write the proportion equation
1,590,531.57 : 2,194,956.09 = 865,379.79 : x - Step 2: Convert to fraction form
1,590,531.57/2,194,956.09 = 865,379.79/x - Step 3: Cross multiply
1,590,531.57x = 2,194,956.09 × 865,379.79 - Step 4: Simplify right side
1,590,531.57x = 1,899,470,640,223.42 - Step 5: Solve for x
x = 1,899,470,640,223.42/1,590,531.57 - Step 6: Final answer
x = 1,194,236.36
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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.