Finding the Fourth Proportional to 4,017,106.91, 5,545,304.05 and 2,712,126.82
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Solution
The fourth proportional to 4,017,106.91, 5,545,304.05 and 2,712,126.82 is: 3,743,880.40
Step by Step Solution
- Step 1: Write the proportion equation
4,017,106.91 : 5,545,304.05 = 2,712,126.82 : x - Step 2: Convert to fraction form
4,017,106.91/5,545,304.05 = 2,712,126.82/x - Step 3: Cross multiply
4,017,106.91x = 5,545,304.05 × 2,712,126.82 - Step 4: Simplify right side
4,017,106.91x = 15,039,567,825,498.99 - Step 5: Solve for x
x = 15,039,567,825,498.99/4,017,106.91 - Step 6: Final answer
x = 3,743,880.40
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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.