Finding the Fourth Proportional to 4,007,845.12, 5,530,235.64 and 2,437,175.68
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Solution
The fourth proportional to 4,007,845.12, 5,530,235.64 and 2,437,175.68 is: 3,362,943.28
Step by Step Solution
- Step 1: Write the proportion equation
4,007,845.12 : 5,530,235.64 = 2,437,175.68 : x - Step 2: Convert to fraction form
4,007,845.12/5,530,235.64 = 2,437,175.68/x - Step 3: Cross multiply
4,007,845.12x = 5,530,235.64 × 2,437,175.68 - Step 4: Simplify right side
4,007,845.12x = 13,478,155,806,477.23 - Step 5: Solve for x
x = 13,478,155,806,477.23/4,007,845.12 - Step 6: Final answer
x = 3,362,943.28
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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.