Finding the Fourth Proportional to 5,266,825.62, 7,268,219.38 and 2,852,377.62
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Solution
The fourth proportional to 5,266,825.62, 7,268,219.38 and 2,852,377.62 is: 3,936,281.13
Step by Step Solution
- Step 1: Write the proportion equation
5,266,825.62 : 7,268,219.38 = 2,852,377.62 : x - Step 2: Convert to fraction form
5,266,825.62/7,268,219.38 = 2,852,377.62/x - Step 3: Cross multiply
5,266,825.62x = 7,268,219.38 × 2,852,377.62 - Step 4: Simplify right side
5,266,825.62x = 20,731,706,296,762.28 - Step 5: Solve for x
x = 20,731,706,296,762.28/5,266,825.62 - Step 6: Final answer
x = 3,936,281.13
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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.