Finding the Fourth Proportional to 4,543,190.20, 6,269,356.12 and 2,609,451.32
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Solution
The fourth proportional to 4,543,190.20, 6,269,356.12 and 2,609,451.32 is: 3,600,901.32
Step by Step Solution
- Step 1: Write the proportion equation
4,543,190.20 : 6,269,356.12 = 2,609,451.32 : x - Step 2: Convert to fraction form
4,543,190.20/6,269,356.12 = 2,609,451.32/x - Step 3: Cross multiply
4,543,190.20x = 6,269,356.12 × 2,609,451.32 - Step 4: Simplify right side
4,543,190.20x = 16,359,579,602,884.08 - Step 5: Solve for x
x = 16,359,579,602,884.08/4,543,190.20 - Step 6: Final answer
x = 3,600,901.32
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1.5x scale
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.