Finding the Fourth Proportional to 2,076,884.24, 2,866,363.08 and 1,205,532.68
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Solution
The fourth proportional to 2,076,884.24, 2,866,363.08 and 1,205,532.68 is: 1,663,787.66
Step by Step Solution
- Step 1: Write the proportion equation
2,076,884.24 : 2,866,363.08 = 1,205,532.68 : x - Step 2: Convert to fraction form
2,076,884.24/2,866,363.08 = 1,205,532.68/x - Step 3: Cross multiply
2,076,884.24x = 2,866,363.08 × 1,205,532.68 - Step 4: Simplify right side
2,076,884.24x = 3,455,494,365,685.45 - Step 5: Solve for x
x = 3,455,494,365,685.45/2,076,884.24 - Step 6: Final answer
x = 1,663,787.66
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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.