Finding the Fourth Proportional to 3,825,951.60, 5,279,610.84 and 2,194,275.12
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Solution
The fourth proportional to 3,825,951.60, 5,279,610.84 and 2,194,275.12 is: 3,027,983.60
Step by Step Solution
- Step 1: Write the proportion equation
3,825,951.60 : 5,279,610.84 = 2,194,275.12 : x - Step 2: Convert to fraction form
3,825,951.60/5,279,610.84 = 2,194,275.12/x - Step 3: Cross multiply
3,825,951.60x = 5,279,610.84 × 2,194,275.12 - Step 4: Simplify right side
3,825,951.60x = 11,584,918,709,494.30 - Step 5: Solve for x
x = 11,584,918,709,494.30/3,825,951.60 - Step 6: Final answer
x = 3,027,983.60
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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.