Finding the Fourth Proportional to 6,130,343.28, 8,460,136.20 and 3,414,089.28
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Solution
The fourth proportional to 6,130,343.28, 8,460,136.20 and 3,414,089.28 is: 4,711,589.38
Step by Step Solution
- Step 1: Write the proportion equation
6,130,343.28 : 8,460,136.20 = 3,414,089.28 : x - Step 2: Convert to fraction form
6,130,343.28/8,460,136.20 = 3,414,089.28/x - Step 3: Cross multiply
6,130,343.28x = 8,460,136.20 × 3,414,089.28 - Step 4: Simplify right side
6,130,343.28x = 28,883,660,307,759.93 - Step 5: Solve for x
x = 28,883,660,307,759.93/6,130,343.28 - Step 6: Final answer
x = 4,711,589.38
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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.