Finding the Fourth Proportional to 2,505,725.36, 3,457,926.36 and 1,359,815.60
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Solution
The fourth proportional to 2,505,725.36, 3,457,926.36 and 1,359,815.60 is: 1,876,559.29
Step by Step Solution
- Step 1: Write the proportion equation
2,505,725.36 : 3,457,926.36 = 1,359,815.60 : x - Step 2: Convert to fraction form
2,505,725.36/3,457,926.36 = 1,359,815.60/x - Step 3: Cross multiply
2,505,725.36x = 3,457,926.36 × 1,359,815.60 - Step 4: Simplify right side
2,505,725.36x = 4,702,142,207,979.22 - Step 5: Solve for x
x = 4,702,142,207,979.22/2,505,725.36 - Step 6: Final answer
x = 1,876,559.29
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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.