Finding the Fourth Proportional to 2,579,193.30, 3,863,541.15 and 1,317,731.70
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Solution
The fourth proportional to 2,579,193.30, 3,863,541.15 and 1,317,731.70 is: 1,973,915.89
Step by Step Solution
- Step 1: Write the proportion equation
2,579,193.30 : 3,863,541.15 = 1,317,731.70 : x - Step 2: Convert to fraction form
2,579,193.30/3,863,541.15 = 1,317,731.70/x - Step 3: Cross multiply
2,579,193.30x = 3,863,541.15 × 1,317,731.70 - Step 4: Simplify right side
2,579,193.30x = 5,091,110,647,609.46 - Step 5: Solve for x
x = 5,091,110,647,609.46/2,579,193.30 - Step 6: Final answer
x = 1,973,915.89
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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.