Finding the Fourth Proportional to 5,616,372.52, 8,422,951.74 and 1,830,186.28
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Solution
The fourth proportional to 5,616,372.52, 8,422,951.74 and 1,830,186.28 is: 2,744,755.74
Step by Step Solution
- Step 1: Write the proportion equation
5,616,372.52 : 8,422,951.74 = 1,830,186.28 : x - Step 2: Convert to fraction form
5,616,372.52/8,422,951.74 = 1,830,186.28/x - Step 3: Cross multiply
5,616,372.52x = 8,422,951.74 × 1,830,186.28 - Step 4: Simplify right side
5,616,372.52x = 15,415,570,711,650.13 - Step 5: Solve for x
x = 15,415,570,711,650.13/5,616,372.52 - Step 6: Final answer
x = 2,744,755.74
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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.