Finding the Fourth Proportional to 3,615,585.42, 4,989,494.18 and 1,984,020.09
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Solution
The fourth proportional to 3,615,585.42, 4,989,494.18 and 1,984,020.09 is: 2,737,940.20
Step by Step Solution
- Step 1: Write the proportion equation
3,615,585.42 : 4,989,494.18 = 1,984,020.09 : x - Step 2: Convert to fraction form
3,615,585.42/4,989,494.18 = 1,984,020.09/x - Step 3: Cross multiply
3,615,585.42x = 4,989,494.18 × 1,984,020.09 - Step 4: Simplify right side
3,615,585.42x = 9,899,256,682,137.98 - Step 5: Solve for x
x = 9,899,256,682,137.98/3,615,585.42 - Step 6: Final answer
x = 2,737,940.20
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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.