Finding the Fourth Proportional to 5,967,378.39, 8,235,969.81 and 3,520,587.63
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Solution
The fourth proportional to 5,967,378.39, 8,235,969.81 and 3,520,587.63 is: 4,858,993.60
Step by Step Solution
- Step 1: Write the proportion equation
5,967,378.39 : 8,235,969.81 = 3,520,587.63 : x - Step 2: Convert to fraction form
5,967,378.39/8,235,969.81 = 3,520,587.63/x - Step 3: Cross multiply
5,967,378.39x = 8,235,969.81 × 3,520,587.63 - Step 4: Simplify right side
5,967,378.39x = 28,995,453,434,139.45 - Step 5: Solve for x
x = 28,995,453,434,139.45/5,967,378.39 - Step 6: Final answer
x = 4,858,993.60
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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.