Finding the Fourth Proportional to 3,980,470.24, 5,971,063.92 and 1,284,859.36
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Solution
The fourth proportional to 3,980,470.24, 5,971,063.92 and 1,284,859.36 is: 1,927,404.78
Step by Step Solution
- Step 1: Write the proportion equation
3,980,470.24 : 5,971,063.92 = 1,284,859.36 : x - Step 2: Convert to fraction form
3,980,470.24/5,971,063.92 = 1,284,859.36/x - Step 3: Cross multiply
3,980,470.24x = 5,971,063.92 × 1,284,859.36 - Step 4: Simplify right side
3,980,470.24x = 7,671,977,366,770.29 - Step 5: Solve for x
x = 7,671,977,366,770.29/3,980,470.24 - Step 6: Final answer
x = 1,927,404.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.