Finding the Fourth Proportional to 5,739,149.44, 7,920,384.24 and 3,160,829.44
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Solution
The fourth proportional to 5,739,149.44, 7,920,384.24 and 3,160,829.44 is: 4,362,141.80
Step by Step Solution
- Step 1: Write the proportion equation
5,739,149.44 : 7,920,384.24 = 3,160,829.44 : x - Step 2: Convert to fraction form
5,739,149.44/7,920,384.24 = 3,160,829.44/x - Step 3: Cross multiply
5,739,149.44x = 7,920,384.24 × 3,160,829.44 - Step 4: Simplify right side
5,739,149.44x = 25,034,983,681,904.03 - Step 5: Solve for x
x = 25,034,983,681,904.03/5,739,149.44 - Step 6: Final answer
x = 4,362,141.80
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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.