Finding the Fourth Proportional to 4,398,175.20, 6,597,262.80 and 2,628,703.20
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Solution
The fourth proportional to 4,398,175.20, 6,597,262.80 and 2,628,703.20 is: 3,943,054.80
Step by Step Solution
- Step 1: Write the proportion equation
4,398,175.20 : 6,597,262.80 = 2,628,703.20 : x - Step 2: Convert to fraction form
4,398,175.20/6,597,262.80 = 2,628,703.20/x - Step 3: Cross multiply
4,398,175.20x = 6,597,262.80 × 2,628,703.20 - Step 4: Simplify right side
4,398,175.20x = 17,342,245,833,600.96 - Step 5: Solve for x
x = 17,342,245,833,600.96/4,398,175.20 - Step 6: Final answer
x = 3,943,054.80
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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.