Finding the Fourth Proportional to 4,097,995.20, 6,146,935.20 and 1,854,129.60
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Solution
The fourth proportional to 4,097,995.20, 6,146,935.20 and 1,854,129.60 is: 2,781,168.34
Step by Step Solution
- Step 1: Write the proportion equation
4,097,995.20 : 6,146,935.20 = 1,854,129.60 : x - Step 2: Convert to fraction form
4,097,995.20/6,146,935.20 = 1,854,129.60/x - Step 3: Cross multiply
4,097,995.20x = 6,146,935.20 × 1,854,129.60 - Step 4: Simplify right side
4,097,995.20x = 11,397,214,503,601.92 - Step 5: Solve for x
x = 11,397,214,503,601.92/4,097,995.20 - Step 6: Final answer
x = 2,781,168.34
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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.