Finding the Fourth Proportional to 5,211,260.13, 7,191,539.66 and 2,888,302.62
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Solution
The fourth proportional to 5,211,260.13, 7,191,539.66 and 2,888,302.62 is: 3,985,857.99
Step by Step Solution
- Step 1: Write the proportion equation
5,211,260.13 : 7,191,539.66 = 2,888,302.62 : x - Step 2: Convert to fraction form
5,211,260.13/7,191,539.66 = 2,888,302.62/x - Step 3: Cross multiply
5,211,260.13x = 7,191,539.66 × 2,888,302.62 - Step 4: Simplify right side
5,211,260.13x = 20,771,342,849,032.66 - Step 5: Solve for x
x = 20,771,342,849,032.66/5,211,260.13 - Step 6: Final answer
x = 3,985,857.99
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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.