Finding the Fourth Proportional to 1,358,161.02, 1,871,889.75 and 994,812.84
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Solution
The fourth proportional to 1,358,161.02, 1,871,889.75 and 994,812.84 is: 1,371,103.96
Step by Step Solution
- Step 1: Write the proportion equation
1,358,161.02 : 1,871,889.75 = 994,812.84 : x - Step 2: Convert to fraction form
1,358,161.02/1,871,889.75 = 994,812.84/x - Step 3: Cross multiply
1,358,161.02x = 1,871,889.75 × 994,812.84 - Step 4: Simplify right side
1,358,161.02x = 1,862,179,958,364.39 - Step 5: Solve for x
x = 1,862,179,958,364.39/1,358,161.02 - Step 6: Final answer
x = 1,371,103.96
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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.