Finding the Fourth Proportional to 2,157,876.13, 3,236,813.28 and 641,552.48
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Solution
The fourth proportional to 2,157,876.13, 3,236,813.28 and 641,552.48 is: 962,328.45
Step by Step Solution
- Step 1: Write the proportion equation
2,157,876.13 : 3,236,813.28 = 641,552.48 : x - Step 2: Convert to fraction form
2,157,876.13/3,236,813.28 = 641,552.48/x - Step 3: Cross multiply
2,157,876.13x = 3,236,813.28 × 641,552.48 - Step 4: Simplify right side
2,157,876.13x = 2,076,585,595,172.97 - Step 5: Solve for x
x = 2,076,585,595,172.97/2,157,876.13 - Step 6: Final answer
x = 962,328.45
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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.