Finding the Fourth Proportional to 4,145,622.12, 5,723,386.02 and 2,717,326.44
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Solution
The fourth proportional to 4,145,622.12, 5,723,386.02 and 2,717,326.44 is: 3,751,501.63
Step by Step Solution
- Step 1: Write the proportion equation
4,145,622.12 : 5,723,386.02 = 2,717,326.44 : x - Step 2: Convert to fraction form
4,145,622.12/5,723,386.02 = 2,717,326.44/x - Step 3: Cross multiply
4,145,622.12x = 5,723,386.02 × 2,717,326.44 - Step 4: Simplify right side
4,145,622.12x = 15,552,308,158,472.37 - Step 5: Solve for x
x = 15,552,308,158,472.37/4,145,622.12 - Step 6: Final answer
x = 3,751,501.63
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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.