Finding the Fourth Proportional to 1,953,987.44, 2,696,652.27 and 1,229,456.21
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Solution
The fourth proportional to 1,953,987.44, 2,696,652.27 and 1,229,456.21 is: 1,696,743.70
Step by Step Solution
- Step 1: Write the proportion equation
1,953,987.44 : 2,696,652.27 = 1,229,456.21 : x - Step 2: Convert to fraction form
1,953,987.44/2,696,652.27 = 1,229,456.21/x - Step 3: Cross multiply
1,953,987.44x = 2,696,652.27 × 1,229,456.21 - Step 4: Simplify right side
1,953,987.44x = 3,315,415,866,078.84 - Step 5: Solve for x
x = 3,315,415,866,078.84/1,953,987.44 - Step 6: Final answer
x = 1,696,743.70
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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.