Finding the Fourth Proportional to 6,681,549.86, 9,220,538.81 and 3,625,764.11
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Solution
The fourth proportional to 6,681,549.86, 9,220,538.81 and 3,625,764.11 is: 5,003,554.47
Step by Step Solution
- Step 1: Write the proportion equation
6,681,549.86 : 9,220,538.81 = 3,625,764.11 : x - Step 2: Convert to fraction form
6,681,549.86/9,220,538.81 = 3,625,764.11/x - Step 3: Cross multiply
6,681,549.86x = 9,220,538.81 × 3,625,764.11 - Step 4: Simplify right side
6,681,549.86x = 33,431,498,674,031.29 - Step 5: Solve for x
x = 33,431,498,674,031.29/6,681,549.86 - Step 6: Final answer
x = 5,003,554.47
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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.