Finding the Fourth Proportional to 1,639,959.98, 2,458,242.21 and 797,464.94
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Solution
The fourth proportional to 1,639,959.98, 2,458,242.21 and 797,464.94 is: 1,195,371.84
Step by Step Solution
- Step 1: Write the proportion equation
1,639,959.98 : 2,458,242.21 = 797,464.94 : x - Step 2: Convert to fraction form
1,639,959.98/2,458,242.21 = 797,464.94/x - Step 3: Cross multiply
1,639,959.98x = 2,458,242.21 × 797,464.94 - Step 4: Simplify right side
1,639,959.98x = 1,960,361,976,503.12 - Step 5: Solve for x
x = 1,960,361,976,503.12/1,639,959.98 - Step 6: Final answer
x = 1,195,371.84
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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.