Finding the Fourth Proportional to 5,156,020.26, 7,115,356.68 and 2,832,961.52
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Solution
The fourth proportional to 5,156,020.26, 7,115,356.68 and 2,832,961.52 is: 3,909,513.66
Step by Step Solution
- Step 1: Write the proportion equation
5,156,020.26 : 7,115,356.68 = 2,832,961.52 : x - Step 2: Convert to fraction form
5,156,020.26/7,115,356.68 = 2,832,961.52/x - Step 3: Cross multiply
5,156,020.26x = 7,115,356.68 × 2,832,961.52 - Step 4: Simplify right side
5,156,020.26x = 20,157,531,661,350.14 - Step 5: Solve for x
x = 20,157,531,661,350.14/5,156,020.26 - Step 6: Final answer
x = 3,909,513.66
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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.