Finding the Fourth Proportional to 1,628,442.18, 2,247,286.23 and 903,266.28
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Solution
The fourth proportional to 1,628,442.18, 2,247,286.23 and 903,266.28 is: 1,246,527.45
Step by Step Solution
- Step 1: Write the proportion equation
1,628,442.18 : 2,247,286.23 = 903,266.28 : x - Step 2: Convert to fraction form
1,628,442.18/2,247,286.23 = 903,266.28/x - Step 3: Cross multiply
1,628,442.18x = 2,247,286.23 × 903,266.28 - Step 4: Simplify right side
1,628,442.18x = 2,029,897,873,067.32 - Step 5: Solve for x
x = 2,029,897,873,067.32/1,628,442.18 - Step 6: Final answer
x = 1,246,527.45
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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.