Finding the Fourth Proportional to 3,615,602.49, 4,989,517.63 and 1,984,037.13
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Solution
The fourth proportional to 3,615,602.49, 4,989,517.63 and 1,984,037.13 is: 2,737,963.66
Step by Step Solution
- Step 1: Write the proportion equation
3,615,602.49 : 4,989,517.63 = 1,984,037.13 : x - Step 2: Convert to fraction form
3,615,602.49/4,989,517.63 = 1,984,037.13/x - Step 3: Cross multiply
3,615,602.49x = 4,989,517.63 × 1,984,037.13 - Step 4: Simplify right side
3,615,602.49x = 9,899,388,238,709.60 - Step 5: Solve for x
x = 9,899,388,238,709.60/3,615,602.49 - Step 6: Final answer
x = 2,737,963.66
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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.