Finding the Fourth Proportional to 5,185,690.44, 7,155,396.84 and 2,893,845.60
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Solution
The fourth proportional to 5,185,690.44, 7,155,396.84 and 2,893,845.60 is: 3,993,029.26
Step by Step Solution
- Step 1: Write the proportion equation
5,185,690.44 : 7,155,396.84 = 2,893,845.60 : x - Step 2: Convert to fraction form
5,185,690.44/7,155,396.84 = 2,893,845.60/x - Step 3: Cross multiply
5,185,690.44x = 7,155,396.84 × 2,893,845.60 - Step 4: Simplify right side
5,185,690.44x = 20,706,613,661,687.90 - Step 5: Solve for x
x = 20,706,613,661,687.90/5,185,690.44 - Step 6: Final answer
x = 3,993,029.26
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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.