Finding the Fourth Proportional to 1,588,136.26, 2,191,450.13 and 899,660.63
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Solution
The fourth proportional to 1,588,136.26, 2,191,450.13 and 899,660.63 is: 1,241,430.89
Step by Step Solution
- Step 1: Write the proportion equation
1,588,136.26 : 2,191,450.13 = 899,660.63 : x - Step 2: Convert to fraction form
1,588,136.26/2,191,450.13 = 899,660.63/x - Step 3: Cross multiply
1,588,136.26x = 2,191,450.13 × 899,660.63 - Step 4: Simplify right side
1,588,136.26x = 1,971,561,404,569.38 - Step 5: Solve for x
x = 1,971,561,404,569.38/1,588,136.26 - Step 6: Final answer
x = 1,241,430.89
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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.