Finding the Fourth Proportional to 3,615,685.44, 4,989,632.16 and 1,984,119.84
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Solution
The fourth proportional to 3,615,685.44, 4,989,632.16 and 1,984,119.84 is: 2,738,077.84
Step by Step Solution
- Step 1: Write the proportion equation
3,615,685.44 : 4,989,632.16 = 1,984,119.84 : x - Step 2: Convert to fraction form
3,615,685.44/4,989,632.16 = 1,984,119.84/x - Step 3: Cross multiply
3,615,685.44x = 4,989,632.16 × 1,984,119.84 - Step 4: Simplify right side
3,615,685.44x = 9,900,028,162,958.06 - Step 5: Solve for x
x = 9,900,028,162,958.06/3,615,685.44 - Step 6: Final answer
x = 2,738,077.84
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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.