Finding the Fourth Proportional to 3,029,820.80, 4,177,370.88 and 1,940,301.14
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Solution
The fourth proportional to 3,029,820.80, 4,177,370.88 and 1,940,301.14 is: 2,675,193.69
Step by Step Solution
- Step 1: Write the proportion equation
3,029,820.80 : 4,177,370.88 = 1,940,301.14 : x - Step 2: Convert to fraction form
3,029,820.80/4,177,370.88 = 1,940,301.14/x - Step 3: Cross multiply
3,029,820.80x = 4,177,370.88 × 1,940,301.14 - Step 4: Simplify right side
3,029,820.80x = 8,105,357,459,779.95 - Step 5: Solve for x
x = 8,105,357,459,779.95/3,029,820.80 - Step 6: Final answer
x = 2,675,193.69
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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.