Finding the Fourth Proportional to 3,619,678.96, 5,430,218.28 and 1,375,642
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Solution
The fourth proportional to 3,619,678.96, 5,430,218.28 and 1,375,642 is: 2,063,728.97
Step by Step Solution
- Step 1: Write the proportion equation
3,619,678.96 : 5,430,218.28 = 1,375,642 : x - Step 2: Convert to fraction form
3,619,678.96/5,430,218.28 = 1,375,642/x - Step 3: Cross multiply
3,619,678.96x = 5,430,218.28 × 1,375,642 - Step 4: Simplify right side
3,619,678.96x = 7,470,036,335,135.76 - Step 5: Solve for x
x = 7,470,036,335,135.76/3,619,678.96 - Step 6: Final answer
x = 2,063,728.97
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.