Finding the Fourth Proportional to 1,532,884.28, 2,115,279.05 and 920,673.26
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Solution
The fourth proportional to 1,532,884.28, 2,115,279.05 and 920,673.26 is: 1,270,468.27
Step by Step Solution
- Step 1: Write the proportion equation
1,532,884.28 : 2,115,279.05 = 920,673.26 : x - Step 2: Convert to fraction form
1,532,884.28/2,115,279.05 = 920,673.26/x - Step 3: Cross multiply
1,532,884.28x = 2,115,279.05 × 920,673.26 - Step 4: Simplify right side
1,532,884.28x = 1,947,480,843,593.44 - Step 5: Solve for x
x = 1,947,480,843,593.44/1,532,884.28 - Step 6: Final answer
x = 1,270,468.27
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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.