Finding the Fourth Proportional to 2,076,106.70, 3,114,160.05 and 1,289,674.70
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Solution
The fourth proportional to 2,076,106.70, 3,114,160.05 and 1,289,674.70 is: 1,934,512.05
Step by Step Solution
- Step 1: Write the proportion equation
2,076,106.70 : 3,114,160.05 = 1,289,674.70 : x - Step 2: Convert to fraction form
2,076,106.70/3,114,160.05 = 1,289,674.70/x - Step 3: Cross multiply
2,076,106.70x = 3,114,160.05 × 1,289,674.70 - Step 4: Simplify right side
2,076,106.70x = 4,016,253,428,235.73 - Step 5: Solve for x
x = 4,016,253,428,235.73/2,076,106.70 - Step 6: Final answer
x = 1,934,512.05
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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.