Finding the Fourth Proportional to 4,479,377.12, 6,181,273.96 and 2,545,369.28
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Solution
The fourth proportional to 4,479,377.12, 6,181,273.96 and 2,545,369.28 is: 3,512,458.19
Step by Step Solution
- Step 1: Write the proportion equation
4,479,377.12 : 6,181,273.96 = 2,545,369.28 : x - Step 2: Convert to fraction form
4,479,377.12/6,181,273.96 = 2,545,369.28/x - Step 3: Cross multiply
4,479,377.12x = 6,181,273.96 × 2,545,369.28 - Step 4: Simplify right side
4,479,377.12x = 15,733,624,849,047.95 - Step 5: Solve for x
x = 15,733,624,849,047.95/4,479,377.12 - Step 6: Final answer
x = 3,512,458.19
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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.