Finding the Fourth Proportional to 1,727,808.62, 2,383,265.75 and 1,048,745.12
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Solution
The fourth proportional to 1,727,808.62, 2,383,265.75 and 1,048,745.12 is: 1,446,594.42
Step by Step Solution
- Step 1: Write the proportion equation
1,727,808.62 : 2,383,265.75 = 1,048,745.12 : x - Step 2: Convert to fraction form
1,727,808.62/2,383,265.75 = 1,048,745.12/x - Step 3: Cross multiply
1,727,808.62x = 2,383,265.75 × 1,048,745.12 - Step 4: Simplify right side
1,727,808.62x = 2,499,438,307,815.59 - Step 5: Solve for x
x = 2,499,438,307,815.59/1,727,808.62 - Step 6: Final answer
x = 1,446,594.42
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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.