Finding the Fourth Proportional to 4,815,910.68, 7,224,613.25 and 1,620,787.52
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Solution
The fourth proportional to 4,815,910.68, 7,224,613.25 and 1,620,787.52 is: 2,431,432.75
Step by Step Solution
- Step 1: Write the proportion equation
4,815,910.68 : 7,224,613.25 = 1,620,787.52 : x - Step 2: Convert to fraction form
4,815,910.68/7,224,613.25 = 1,620,787.52/x - Step 3: Cross multiply
4,815,910.68x = 7,224,613.25 × 1,620,787.52 - Step 4: Simplify right side
4,815,910.68x = 11,709,562,948,199.63 - Step 5: Solve for x
x = 11,709,562,948,199.63/4,815,910.68 - Step 6: Final answer
x = 2,431,432.75
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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.