Finding the Fourth Proportional to 1,590,971.70, 2,195,590.74 and 902,672.56
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Solution
The fourth proportional to 1,590,971.70, 2,195,590.74 and 902,672.56 is: 1,245,716.38
Step by Step Solution
- Step 1: Write the proportion equation
1,590,971.70 : 2,195,590.74 = 902,672.56 : x - Step 2: Convert to fraction form
1,590,971.70/2,195,590.74 = 902,672.56/x - Step 3: Cross multiply
1,590,971.70x = 2,195,590.74 × 902,672.56 - Step 4: Simplify right side
1,590,971.70x = 1,981,899,513,988.09 - Step 5: Solve for x
x = 1,981,899,513,988.09/1,590,971.70 - Step 6: Final answer
x = 1,245,716.38
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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.