Finding the Fourth Proportional to 4,900,351.81, 6,762,207.71 and 2,724,848.25
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Solution
The fourth proportional to 4,900,351.81, 6,762,207.71 and 2,724,848.25 is: 3,760,136.12
Step by Step Solution
- Step 1: Write the proportion equation
4,900,351.81 : 6,762,207.71 = 2,724,848.25 : x - Step 2: Convert to fraction form
4,900,351.81/6,762,207.71 = 2,724,848.25/x - Step 3: Cross multiply
4,900,351.81x = 6,762,207.71 × 2,724,848.25 - Step 4: Simplify right side
4,900,351.81x = 18,425,989,851,542.13 - Step 5: Solve for x
x = 18,425,989,851,542.13/4,900,351.81 - Step 6: Final answer
x = 3,760,136.12
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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.