Finding the Fourth Proportional to 2,901,101.40, 4,351,652.10 and 2,880,106.20
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Solution
The fourth proportional to 2,901,101.40, 4,351,652.10 and 2,880,106.20 is: 4,320,159.30
Step by Step Solution
- Step 1: Write the proportion equation
2,901,101.40 : 4,351,652.10 = 2,880,106.20 : x - Step 2: Convert to fraction form
2,901,101.40/4,351,652.10 = 2,880,106.20/x - Step 3: Cross multiply
2,901,101.40x = 4,351,652.10 × 2,880,106.20 - Step 4: Simplify right side
2,901,101.40x = 12,533,220,193,453.02 - Step 5: Solve for x
x = 12,533,220,193,453.02/2,901,101.40 - Step 6: Final answer
x = 4,320,159.30
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1.5x scale
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.