Finding the Fourth Proportional to 4,928,382.84, 6,801,178.86 and 2,782,206.84
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Solution
The fourth proportional to 4,928,382.84, 6,801,178.86 and 2,782,206.84 is: 3,839,451.39
Step by Step Solution
- Step 1: Write the proportion equation
4,928,382.84 : 6,801,178.86 = 2,782,206.84 : x - Step 2: Convert to fraction form
4,928,382.84/6,801,178.86 = 2,782,206.84/x - Step 3: Cross multiply
4,928,382.84x = 6,801,178.86 × 2,782,206.84 - Step 4: Simplify right side
4,928,382.84x = 18,922,286,344,355.40 - Step 5: Solve for x
x = 18,922,286,344,355.40/4,928,382.84 - Step 6: Final answer
x = 3,839,451.39
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1.5x scale
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.