Finding the Fourth Proportional to 3,044,880.75, 4,201,935.30 and 1,668,276.62
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Solution
The fourth proportional to 3,044,880.75, 4,201,935.30 and 1,668,276.62 is: 2,302,221.65
Step by Step Solution
- Step 1: Write the proportion equation
3,044,880.75 : 4,201,935.30 = 1,668,276.62 : x - Step 2: Convert to fraction form
3,044,880.75/4,201,935.30 = 1,668,276.62/x - Step 3: Cross multiply
3,044,880.75x = 4,201,935.30 × 1,668,276.62 - Step 4: Simplify right side
3,044,880.75x = 7,009,990,398,733.01 - Step 5: Solve for x
x = 7,009,990,398,733.01/3,044,880.75 - Step 6: Final answer
x = 2,302,221.65
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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.