Finding the Fourth Proportional to 6,900,816.26, 9,523,002.70 and 3,761,108.08
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Solution
The fourth proportional to 6,900,816.26, 9,523,002.70 and 3,761,108.08 is: 5,190,261.71
Step by Step Solution
- Step 1: Write the proportion equation
6,900,816.26 : 9,523,002.70 = 3,761,108.08 : x - Step 2: Convert to fraction form
6,900,816.26/9,523,002.70 = 3,761,108.08/x - Step 3: Cross multiply
6,900,816.26x = 9,523,002.70 × 3,761,108.08 - Step 4: Simplify right side
6,900,816.26x = 35,817,042,381,725.70 - Step 5: Solve for x
x = 35,817,042,381,725.70/6,900,816.26 - Step 6: Final answer
x = 5,190,261.71
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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.