Finding the Fourth Proportional to 2,866,449.49, 3,955,863.96 and 1,642,958.81
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Solution
The fourth proportional to 2,866,449.49, 3,955,863.96 and 1,642,958.81 is: 2,267,376.97
Step by Step Solution
- Step 1: Write the proportion equation
2,866,449.49 : 3,955,863.96 = 1,642,958.81 : x - Step 2: Convert to fraction form
2,866,449.49/3,955,863.96 = 1,642,958.81/x - Step 3: Cross multiply
2,866,449.49x = 3,955,863.96 × 1,642,958.81 - Step 4: Simplify right side
2,866,449.49x = 6,499,321,544,243.49 - Step 5: Solve for x
x = 6,499,321,544,243.49/2,866,449.49 - Step 6: Final answer
x = 2,267,376.97
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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.