Finding the Fourth Proportional to 3,615,849.93, 4,989,934.15 and 1,984,409.09
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Solution
The fourth proportional to 3,615,849.93, 4,989,934.15 and 1,984,409.09 is: 2,738,518.16
Step by Step Solution
- Step 1: Write the proportion equation
3,615,849.93 : 4,989,934.15 = 1,984,409.09 : x - Step 2: Convert to fraction form
3,615,849.93/4,989,934.15 = 1,984,409.09/x - Step 3: Cross multiply
3,615,849.93x = 4,989,934.15 × 1,984,409.09 - Step 4: Simplify right side
3,615,849.93x = 9,902,070,685,761.42 - Step 5: Solve for x
x = 9,902,070,685,761.42/3,615,849.93 - Step 6: Final answer
x = 2,738,518.16
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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.