Finding the Fourth Proportional to 2,229,626.94, 3,076,893.99 and 1,211,048.70
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Solution
The fourth proportional to 2,229,626.94, 3,076,893.99 and 1,211,048.70 is: 1,671,251.99
Step by Step Solution
- Step 1: Write the proportion equation
2,229,626.94 : 3,076,893.99 = 1,211,048.70 : x - Step 2: Convert to fraction form
2,229,626.94/3,076,893.99 = 1,211,048.70/x - Step 3: Cross multiply
2,229,626.94x = 3,076,893.99 × 1,211,048.70 - Step 4: Simplify right side
2,229,626.94x = 3,726,268,466,627.31 - Step 5: Solve for x
x = 3,726,268,466,627.31/2,229,626.94 - Step 6: Final answer
x = 1,671,251.99
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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.