Finding the Fourth Proportional to 2,893,724.51, 3,992,525.38 and 2,279,974.55
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Solution
The fourth proportional to 2,893,724.51, 3,992,525.38 and 2,279,974.55 is: 3,145,723.18
Step by Step Solution
- Step 1: Write the proportion equation
2,893,724.51 : 3,992,525.38 = 2,279,974.55 : x - Step 2: Convert to fraction form
2,893,724.51/3,992,525.38 = 2,279,974.55/x - Step 3: Cross multiply
2,893,724.51x = 3,992,525.38 × 2,279,974.55 - Step 4: Simplify right side
2,893,724.51x = 9,102,856,256,629.08 - Step 5: Solve for x
x = 9,102,856,256,629.08/2,893,724.51 - Step 6: Final answer
x = 3,145,723.18
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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.