Finding the Fourth Proportional to 3,417,679.20, 5,126,979.60 and 1,174,504.80
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Solution
The fourth proportional to 3,417,679.20, 5,126,979.60 and 1,174,504.80 is: 1,761,915.56
Step by Step Solution
- Step 1: Write the proportion equation
3,417,679.20 : 5,126,979.60 = 1,174,504.80 : x - Step 2: Convert to fraction form
3,417,679.20/5,126,979.60 = 1,174,504.80/x - Step 3: Cross multiply
3,417,679.20x = 5,126,979.60 × 1,174,504.80 - Step 4: Simplify right side
3,417,679.20x = 6,021,662,149,702.08 - Step 5: Solve for x
x = 6,021,662,149,702.08/3,417,679.20 - Step 6: Final answer
x = 1,761,915.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.