Finding the Fourth Proportional to 3,651,299.23, 5,012,407.17 and 3,134,155.31
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Solution
The fourth proportional to 3,651,299.23, 5,012,407.17 and 3,134,155.31 is: 4,302,485.66
Step by Step Solution
- Step 1: Write the proportion equation
3,651,299.23 : 5,012,407.17 = 3,134,155.31 : x - Step 2: Convert to fraction form
3,651,299.23/5,012,407.17 = 3,134,155.31/x - Step 3: Cross multiply
3,651,299.23x = 5,012,407.17 × 3,134,155.31 - Step 4: Simplify right side
3,651,299.23x = 15,709,662,552,822.17 - Step 5: Solve for x
x = 15,709,662,552,822.17/3,651,299.23 - Step 6: Final answer
x = 4,302,485.66
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.