Finding the Fourth Proportional to 1,642,443.58, 2,463,671.14 and 505,198.11
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Solution
The fourth proportional to 1,642,443.58, 2,463,671.14 and 505,198.11 is: 757,798.95
Step by Step Solution
- Step 1: Write the proportion equation
1,642,443.58 : 2,463,671.14 = 505,198.11 : x - Step 2: Convert to fraction form
1,642,443.58/2,463,671.14 = 505,198.11/x - Step 3: Cross multiply
1,642,443.58x = 2,463,671.14 × 505,198.11 - Step 4: Simplify right side
1,642,443.58x = 1,244,642,014,407.06 - Step 5: Solve for x
x = 1,244,642,014,407.06/1,642,443.58 - Step 6: Final answer
x = 757,798.95
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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.