Finding the Fourth Proportional to 816,101.05, 1,143,722.45 and 816,101.05
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Solution
The fourth proportional to 816,101.05, 1,143,722.45 and 816,101.05 is: 1,143,722.45
Step by Step Solution
- Step 1: Write the proportion equation
816,101.05 : 1,143,722.45 = 816,101.05 : x - Step 2: Convert to fraction form
816,101.05/1,143,722.45 = 816,101.05/x - Step 3: Cross multiply
816,101.05x = 1,143,722.45 × 816,101.05 - Step 4: Simplify right side
816,101.05x = 933,393,092,353.57 - Step 5: Solve for x
x = 933,393,092,353.57/816,101.05 - Step 6: Final answer
x = 1,143,722.45
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.