Finding the Fourth Proportional to 3,880,767.94, 5,352,590.84 and 2,847,926.81
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Solution
The fourth proportional to 3,880,767.94, 5,352,590.84 and 2,847,926.81 is: 3,928,033.63
Step by Step Solution
- Step 1: Write the proportion equation
3,880,767.94 : 5,352,590.84 = 2,847,926.81 : x - Step 2: Convert to fraction form
3,880,767.94/5,352,590.84 = 2,847,926.81/x - Step 3: Cross multiply
3,880,767.94x = 5,352,590.84 × 2,847,926.81 - Step 4: Simplify right side
3,880,767.94x = 15,243,786,955,338.26 - Step 5: Solve for x
x = 15,243,786,955,338.26/3,880,767.94 - Step 6: Final answer
x = 3,928,033.63
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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.