Finding the Fourth Proportional to 3,615,703.94, 4,989,657.69 and 1,984,138.34
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Solution
The fourth proportional to 3,615,703.94, 4,989,657.69 and 1,984,138.34 is: 2,738,103.37
Step by Step Solution
- Step 1: Write the proportion equation
3,615,703.94 : 4,989,657.69 = 1,984,138.34 : x - Step 2: Convert to fraction form
3,615,703.94/4,989,657.69 = 1,984,138.34/x - Step 3: Cross multiply
3,615,703.94x = 4,989,657.69 × 1,984,138.34 - Step 4: Simplify right side
3,615,703.94x = 9,900,171,126,204.84 - Step 5: Solve for x
x = 9,900,171,126,204.84/3,615,703.94 - Step 6: Final answer
x = 2,738,103.37
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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.