Finding the Fourth Proportional to 1,216,496.70, 1,825,022.16 and 647,577.99
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Solution
The fourth proportional to 1,216,496.70, 1,825,022.16 and 647,577.99 is: 971,514.50
Step by Step Solution
- Step 1: Write the proportion equation
1,216,496.70 : 1,825,022.16 = 647,577.99 : x - Step 2: Convert to fraction form
1,216,496.70/1,825,022.16 = 647,577.99/x - Step 3: Cross multiply
1,216,496.70x = 1,825,022.16 × 647,577.99 - Step 4: Simplify right side
1,216,496.70x = 1,181,844,182,078.26 - Step 5: Solve for x
x = 1,181,844,182,078.26/1,216,496.70 - Step 6: Final answer
x = 971,514.50
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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.