Finding the Fourth Proportional to 3,796,316.24, 5,238,916.92 and 2,077,437.12
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Solution
The fourth proportional to 3,796,316.24, 5,238,916.92 and 2,077,437.12 is: 2,866,863.50
Step by Step Solution
- Step 1: Write the proportion equation
3,796,316.24 : 5,238,916.92 = 2,077,437.12 : x - Step 2: Convert to fraction form
3,796,316.24/5,238,916.92 = 2,077,437.12/x - Step 3: Cross multiply
3,796,316.24x = 5,238,916.92 × 2,077,437.12 - Step 4: Simplify right side
3,796,316.24x = 10,883,520,478,204.07 - Step 5: Solve for x
x = 10,883,520,478,204.07/3,796,316.24 - Step 6: Final answer
x = 2,866,863.50
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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.