Finding the Fourth Proportional to 3,288,728.93, 4,538,464.13 and 1,838,485.49
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Solution
The fourth proportional to 3,288,728.93, 4,538,464.13 and 1,838,485.49 is: 2,537,120.15
Step by Step Solution
- Step 1: Write the proportion equation
3,288,728.93 : 4,538,464.13 = 1,838,485.49 : x - Step 2: Convert to fraction form
3,288,728.93/4,538,464.13 = 1,838,485.49/x - Step 3: Cross multiply
3,288,728.93x = 4,538,464.13 × 1,838,485.49 - Step 4: Simplify right side
3,288,728.93x = 8,343,900,449,890.47 - Step 5: Solve for x
x = 8,343,900,449,890.47/3,288,728.93 - Step 6: Final answer
x = 2,537,120.15
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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.