Finding the Fourth Proportional to 7,419,743.06, 11,129,619.26 and 2,027,988.23
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Solution
The fourth proportional to 7,419,743.06, 11,129,619.26 and 2,027,988.23 is: 3,041,983.62
Step by Step Solution
- Step 1: Write the proportion equation
7,419,743.06 : 11,129,619.26 = 2,027,988.23 : x - Step 2: Convert to fraction form
7,419,743.06/11,129,619.26 = 2,027,988.23/x - Step 3: Cross multiply
7,419,743.06x = 11,129,619.26 × 2,027,988.23 - Step 4: Simplify right side
7,419,743.06x = 22,570,736,813,083.18 - Step 5: Solve for x
x = 22,570,736,813,083.18/7,419,743.06 - Step 6: Final answer
x = 3,041,983.62
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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.