Finding the Fourth Proportional to 2,919,446.70, 4,368,672.45 and 1,974,662.70
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Solution
The fourth proportional to 2,919,446.70, 4,368,672.45 and 1,974,662.70 is: 2,954,893.66
Step by Step Solution
- Step 1: Write the proportion equation
2,919,446.70 : 4,368,672.45 = 1,974,662.70 : x - Step 2: Convert to fraction form
2,919,446.70/4,368,672.45 = 1,974,662.70/x - Step 3: Cross multiply
2,919,446.70x = 4,368,672.45 × 1,974,662.70 - Step 4: Simplify right side
2,919,446.70x = 8,626,654,535,532.62 - Step 5: Solve for x
x = 8,626,654,535,532.62/2,919,446.70 - Step 6: Final answer
x = 2,954,893.66
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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.