Finding the Fourth Proportional to 3,787,908.09, 5,681,983.20 and 1,482,309.84
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Solution
The fourth proportional to 3,787,908.09, 5,681,983.20 and 1,482,309.84 is: 2,223,512.14
Step by Step Solution
- Step 1: Write the proportion equation
3,787,908.09 : 5,681,983.20 = 1,482,309.84 : x - Step 2: Convert to fraction form
3,787,908.09/5,681,983.20 = 1,482,309.84/x - Step 3: Cross multiply
3,787,908.09x = 5,681,983.20 × 1,482,309.84 - Step 4: Simplify right side
3,787,908.09x = 8,422,459,608,074.69 - Step 5: Solve for x
x = 8,422,459,608,074.69/3,787,908.09 - Step 6: Final answer
x = 2,223,512.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.