Finding the Fourth Proportional to 3,615,940.28, 4,989,927.84 and 1,984,341.08
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Solution
The fourth proportional to 3,615,940.28, 4,989,927.84 and 1,984,341.08 is: 2,738,352.42
Step by Step Solution
- Step 1: Write the proportion equation
3,615,940.28 : 4,989,927.84 = 1,984,341.08 : x - Step 2: Convert to fraction form
3,615,940.28/4,989,927.84 = 1,984,341.08/x - Step 3: Cross multiply
3,615,940.28x = 4,989,927.84 × 1,984,341.08 - Step 4: Simplify right side
3,615,940.28x = 9,901,718,799,147.67 - Step 5: Solve for x
x = 9,901,718,799,147.67/3,615,940.28 - Step 6: Final answer
x = 2,738,352.42
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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.