Finding the Fourth Proportional to 5,517,134.88, 7,613,573.04 and 3,102,686.88
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Solution
The fourth proportional to 5,517,134.88, 7,613,573.04 and 3,102,686.88 is: 4,281,666.79
Step by Step Solution
- Step 1: Write the proportion equation
5,517,134.88 : 7,613,573.04 = 3,102,686.88 : x - Step 2: Convert to fraction form
5,517,134.88/7,613,573.04 = 3,102,686.88/x - Step 3: Cross multiply
5,517,134.88x = 7,613,573.04 × 3,102,686.88 - Step 4: Simplify right side
5,517,134.88x = 23,622,533,181,129.71 - Step 5: Solve for x
x = 23,622,533,181,129.71/5,517,134.88 - Step 6: Final answer
x = 4,281,666.79
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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.