Finding the Fourth Proportional to 5,957,729.28, 8,221,420.80 and 3,241,486.08
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Solution
The fourth proportional to 5,957,729.28, 8,221,420.80 and 3,241,486.08 is: 4,473,117.16
Step by Step Solution
- Step 1: Write the proportion equation
5,957,729.28 : 8,221,420.80 = 3,241,486.08 : x - Step 2: Convert to fraction form
5,957,729.28/8,221,420.80 = 3,241,486.08/x - Step 3: Cross multiply
5,957,729.28x = 8,221,420.80 × 3,241,486.08 - Step 4: Simplify right side
5,957,729.28x = 26,649,621,081,022.46 - Step 5: Solve for x
x = 26,649,621,081,022.46/5,957,729.28 - Step 6: Final answer
x = 4,473,117.16
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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.