Finding the Fourth Proportional to 2,866,364.24, 3,955,578.18 and 1,720,449.68
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Solution
The fourth proportional to 2,866,364.24, 3,955,578.18 and 1,720,449.68 is: 2,374,217.87
Step by Step Solution
- Step 1: Write the proportion equation
2,866,364.24 : 3,955,578.18 = 1,720,449.68 : x - Step 2: Convert to fraction form
2,866,364.24/3,955,578.18 = 1,720,449.68/x - Step 3: Cross multiply
2,866,364.24x = 3,955,578.18 × 1,720,449.68 - Step 4: Simplify right side
2,866,364.24x = 6,805,373,213,995.98 - Step 5: Solve for x
x = 6,805,373,213,995.98/2,866,364.24 - Step 6: Final answer
x = 2,374,217.87
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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.