Finding the Fourth Proportional to 5,232,891.94, 7,849,337.99 and 1,638,940.16
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Solution
The fourth proportional to 5,232,891.94, 7,849,337.99 and 1,638,940.16 is: 2,458,410.27
Step by Step Solution
- Step 1: Write the proportion equation
5,232,891.94 : 7,849,337.99 = 1,638,940.16 : x - Step 2: Convert to fraction form
5,232,891.94/7,849,337.99 = 1,638,940.16/x - Step 3: Cross multiply
5,232,891.94x = 7,849,337.99 × 1,638,940.16 - Step 4: Simplify right side
5,232,891.94x = 12,864,595,287,370.83 - Step 5: Solve for x
x = 12,864,595,287,370.83/5,232,891.94 - Step 6: Final answer
x = 2,458,410.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.