Finding the Fourth Proportional to 2,318,074.63, 3,199,134.49 and 1,285,915.19
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Solution
The fourth proportional to 2,318,074.63, 3,199,134.49 and 1,285,915.19 is: 1,774,669.19
Step by Step Solution
- Step 1: Write the proportion equation
2,318,074.63 : 3,199,134.49 = 1,285,915.19 : x - Step 2: Convert to fraction form
2,318,074.63/3,199,134.49 = 1,285,915.19/x - Step 3: Cross multiply
2,318,074.63x = 3,199,134.49 × 1,285,915.19 - Step 4: Simplify right side
2,318,074.63x = 4,113,815,616,333.44 - Step 5: Solve for x
x = 4,113,815,616,333.44/2,318,074.63 - Step 6: Final answer
x = 1,774,669.19
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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.