Finding the Fourth Proportional to 3,553,229.61, 4,903,442.60 and 1,921,638.65
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Solution
The fourth proportional to 3,553,229.61, 4,903,442.60 and 1,921,638.65 is: 2,651,853.61
Step by Step Solution
- Step 1: Write the proportion equation
3,553,229.61 : 4,903,442.60 = 1,921,638.65 : x - Step 2: Convert to fraction form
3,553,229.61/4,903,442.60 = 1,921,638.65/x - Step 3: Cross multiply
3,553,229.61x = 4,903,442.60 × 1,921,638.65 - Step 4: Simplify right side
3,553,229.61x = 9,422,644,784,091.08 - Step 5: Solve for x
x = 9,422,644,784,091.08/3,553,229.61 - Step 6: Final answer
x = 2,651,853.61
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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.