Finding the Fourth Proportional to 4,214,434.30, 6,321,828.26 and 1,335,738.13
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Solution
The fourth proportional to 4,214,434.30, 6,321,828.26 and 1,335,738.13 is: 2,003,663.23
Step by Step Solution
- Step 1: Write the proportion equation
4,214,434.30 : 6,321,828.26 = 1,335,738.13 : x - Step 2: Convert to fraction form
4,214,434.30/6,321,828.26 = 1,335,738.13/x - Step 3: Cross multiply
4,214,434.30x = 6,321,828.26 × 1,335,738.13 - Step 4: Simplify right side
4,214,434.30x = 8,444,307,045,728.33 - Step 5: Solve for x
x = 8,444,307,045,728.33/4,214,434.30 - Step 6: Final answer
x = 2,003,663.23
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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.