Finding the Fourth Proportional to 918,201.20, 1,377,301.80 and 918,201.20
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Solution
The fourth proportional to 918,201.20, 1,377,301.80 and 918,201.20 is: 1,377,301.80
Step by Step Solution
- Step 1: Write the proportion equation
918,201.20 : 1,377,301.80 = 918,201.20 : x - Step 2: Convert to fraction form
918,201.20/1,377,301.80 = 918,201.20/x - Step 3: Cross multiply
918,201.20x = 1,377,301.80 × 918,201.20 - Step 4: Simplify right side
918,201.20x = 1,264,640,165,522.16 - Step 5: Solve for x
x = 1,264,640,165,522.16/918,201.20 - Step 6: Final answer
x = 1,377,301.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.