Finding the Fourth Proportional to 2,076,176.70, 3,114,265.05 and 1,289,744.70
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Solution
The fourth proportional to 2,076,176.70, 3,114,265.05 and 1,289,744.70 is: 1,934,617.05
Step by Step Solution
- Step 1: Write the proportion equation
2,076,176.70 : 3,114,265.05 = 1,289,744.70 : x - Step 2: Convert to fraction form
2,076,176.70/3,114,265.05 = 1,289,744.70/x - Step 3: Cross multiply
2,076,176.70x = 3,114,265.05 × 1,289,744.70 - Step 4: Simplify right side
2,076,176.70x = 4,016,606,842,632.73 - Step 5: Solve for x
x = 4,016,606,842,632.73/2,076,176.70 - Step 6: Final answer
x = 1,934,617.05
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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.