Finding the Fourth Proportional to 1,912,877.70, 2,639,685.96 and 1,096,495.98
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Solution
The fourth proportional to 1,912,877.70, 2,639,685.96 and 1,096,495.98 is: 1,513,115.58
Step by Step Solution
- Step 1: Write the proportion equation
1,912,877.70 : 2,639,685.96 = 1,096,495.98 : x - Step 2: Convert to fraction form
1,912,877.70/2,639,685.96 = 1,096,495.98/x - Step 3: Cross multiply
1,912,877.70x = 2,639,685.96 × 1,096,495.98 - Step 4: Simplify right side
1,912,877.70x = 2,894,405,043,602.44 - Step 5: Solve for x
x = 2,894,405,043,602.44/1,912,877.70 - Step 6: Final answer
x = 1,513,115.58
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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.