Finding the Fourth Proportional to 1,596,318.87, 2,202,966.74 and 871,213.09
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Solution
The fourth proportional to 1,596,318.87, 2,202,966.74 and 871,213.09 is: 1,202,299.55
Step by Step Solution
- Step 1: Write the proportion equation
1,596,318.87 : 2,202,966.74 = 871,213.09 : x - Step 2: Convert to fraction form
1,596,318.87/2,202,966.74 = 871,213.09/x - Step 3: Cross multiply
1,596,318.87x = 2,202,966.74 × 871,213.09 - Step 4: Simplify right side
1,596,318.87x = 1,919,253,460,722.63 - Step 5: Solve for x
x = 1,919,253,460,722.63/1,596,318.87 - Step 6: Final answer
x = 1,202,299.55
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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.