Finding the Fourth Proportional to 1,467,699.20, 2,025,844.80 and 864,437.12
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Solution
The fourth proportional to 1,467,699.20, 2,025,844.80 and 864,437.12 is: 1,193,170.54
Step by Step Solution
- Step 1: Write the proportion equation
1,467,699.20 : 2,025,844.80 = 864,437.12 : x - Step 2: Convert to fraction form
1,467,699.20/2,025,844.80 = 864,437.12/x - Step 3: Cross multiply
1,467,699.20x = 2,025,844.80 × 864,437.12 - Step 4: Simplify right side
1,467,699.20x = 1,751,215,444,478.98 - Step 5: Solve for x
x = 1,751,215,444,478.98/1,467,699.20 - Step 6: Final answer
x = 1,193,170.54
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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.