Finding the Fourth Proportional to 1,532,153.28, 2,114,743.68 and 887,469.12
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Solution
The fourth proportional to 1,532,153.28, 2,114,743.68 and 887,469.12 is: 1,224,922.95
Step by Step Solution
- Step 1: Write the proportion equation
1,532,153.28 : 2,114,743.68 = 887,469.12 : x - Step 2: Convert to fraction form
1,532,153.28/2,114,743.68 = 887,469.12/x - Step 3: Cross multiply
1,532,153.28x = 2,114,743.68 × 887,469.12 - Step 4: Simplify right side
1,532,153.28x = 1,876,769,712,715.16 - Step 5: Solve for x
x = 1,876,769,712,715.16/1,532,153.28 - Step 6: Final answer
x = 1,224,922.95
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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.