Finding the Fourth Proportional to 5,266,825.12, 7,268,218.68 and 2,852,377.12
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Solution
The fourth proportional to 5,266,825.12, 7,268,218.68 and 2,852,377.12 is: 3,936,280.43
Step by Step Solution
- Step 1: Write the proportion equation
5,266,825.12 : 7,268,218.68 = 2,852,377.12 : x - Step 2: Convert to fraction form
5,266,825.12/7,268,218.68 = 2,852,377.12/x - Step 3: Cross multiply
5,266,825.12x = 7,268,218.68 × 2,852,377.12 - Step 4: Simplify right side
5,266,825.12x = 20,731,700,665,988.60 - Step 5: Solve for x
x = 20,731,700,665,988.60/5,266,825.12 - Step 6: Final answer
x = 3,936,280.43
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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.