Finding the Fourth Proportional to 4,278,738.02, 6,415,254.90 and 2,224,349.49
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Solution
The fourth proportional to 4,278,738.02, 6,415,254.90 and 2,224,349.49 is: 3,335,041.52
Step by Step Solution
- Step 1: Write the proportion equation
4,278,738.02 : 6,415,254.90 = 2,224,349.49 : x - Step 2: Convert to fraction form
4,278,738.02/6,415,254.90 = 2,224,349.49/x - Step 3: Cross multiply
4,278,738.02x = 6,415,254.90 × 2,224,349.49 - Step 4: Simplify right side
4,278,738.02x = 14,269,768,965,035.00 - Step 5: Solve for x
x = 14,269,768,965,035.00/4,278,738.02 - Step 6: Final answer
x = 3,335,041.52
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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.