Finding the Fourth Proportional to 3,358,541.58, 4,631,124.68 and 2,268,921.22
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Solution
The fourth proportional to 3,358,541.58, 4,631,124.68 and 2,268,921.22 is: 3,128,636.89
Step by Step Solution
- Step 1: Write the proportion equation
3,358,541.58 : 4,631,124.68 = 2,268,921.22 : x - Step 2: Convert to fraction form
3,358,541.58/4,631,124.68 = 2,268,921.22/x - Step 3: Cross multiply
3,358,541.58x = 4,631,124.68 × 2,268,921.22 - Step 4: Simplify right side
3,358,541.58x = 10,507,657,070,553.82 - Step 5: Solve for x
x = 10,507,657,070,553.82/3,358,541.58 - Step 6: Final answer
x = 3,128,636.89
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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.