Finding the Fourth Proportional to 4,002,305.36, 5,523,141.86 and 2,166,715.14
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Solution
The fourth proportional to 4,002,305.36, 5,523,141.86 and 2,166,715.14 is: 2,990,045.49
Step by Step Solution
- Step 1: Write the proportion equation
4,002,305.36 : 5,523,141.86 = 2,166,715.14 : x - Step 2: Convert to fraction form
4,002,305.36/5,523,141.86 = 2,166,715.14/x - Step 3: Cross multiply
4,002,305.36x = 5,523,141.86 × 2,166,715.14 - Step 4: Simplify right side
4,002,305.36x = 11,967,075,088,429.76 - Step 5: Solve for x
x = 11,967,075,088,429.76/4,002,305.36 - Step 6: Final answer
x = 2,990,045.49
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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.