Finding the Fourth Proportional to 4,544,278.16, 6,270,884.52 and 2,479,171.28
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Solution
The fourth proportional to 4,544,278.16, 6,270,884.52 and 2,479,171.28 is: 3,421,136.70
Step by Step Solution
- Step 1: Write the proportion equation
4,544,278.16 : 6,270,884.52 = 2,479,171.28 : x - Step 2: Convert to fraction form
4,544,278.16/6,270,884.52 = 2,479,171.28/x - Step 3: Cross multiply
4,544,278.16x = 6,270,884.52 × 2,479,171.28 - Step 4: Simplify right side
4,544,278.16x = 15,546,596,802,180.58 - Step 5: Solve for x
x = 15,546,596,802,180.58/4,544,278.16 - Step 6: Final answer
x = 3,421,136.70
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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.