Finding the Fourth Proportional to 1,350,588.63, 1,861,988.37 and 866,313.03
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Solution
The fourth proportional to 1,350,588.63, 1,861,988.37 and 866,313.03 is: 1,194,342.05
Step by Step Solution
- Step 1: Write the proportion equation
1,350,588.63 : 1,861,988.37 = 866,313.03 : x - Step 2: Convert to fraction form
1,350,588.63/1,861,988.37 = 866,313.03/x - Step 3: Cross multiply
1,350,588.63x = 1,861,988.37 × 866,313.03 - Step 4: Simplify right side
1,350,588.63x = 1,613,064,786,639.46 - Step 5: Solve for x
x = 1,613,064,786,639.46/1,350,588.63 - Step 6: Final answer
x = 1,194,342.05
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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.