Finding the Fourth Proportional to 5,253,644.52, 7,880,702.84 and 1,610,107.49
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Solution
The fourth proportional to 5,253,644.52, 7,880,702.84 and 1,610,107.49 is: 2,415,233.57
Step by Step Solution
- Step 1: Write the proportion equation
5,253,644.52 : 7,880,702.84 = 1,610,107.49 : x - Step 2: Convert to fraction form
5,253,644.52/7,880,702.84 = 1,610,107.49/x - Step 3: Cross multiply
5,253,644.52x = 7,880,702.84 × 1,610,107.49 - Step 4: Simplify right side
5,253,644.52x = 12,688,778,633,770.03 - Step 5: Solve for x
x = 12,688,778,633,770.03/5,253,644.52 - Step 6: Final answer
x = 2,415,233.57
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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.