Finding the Fourth Proportional to 1,926,380.58, 2,660,192.18 and 1,442,104.97
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Solution
The fourth proportional to 1,926,380.58, 2,660,192.18 and 1,442,104.97 is: 1,991,442.60
Step by Step Solution
- Step 1: Write the proportion equation
1,926,380.58 : 2,660,192.18 = 1,442,104.97 : x - Step 2: Convert to fraction form
1,926,380.58/2,660,192.18 = 1,442,104.97/x - Step 3: Cross multiply
1,926,380.58x = 2,660,192.18 × 1,442,104.97 - Step 4: Simplify right side
1,926,380.58x = 3,836,276,348,829.54 - Step 5: Solve for x
x = 3,836,276,348,829.54/1,926,380.58 - Step 6: Final answer
x = 1,991,442.60
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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.