Finding the Fourth Proportional to 4,867,538.20, 6,716,930.61 and 2,661,965.44
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Solution
The fourth proportional to 4,867,538.20, 6,716,930.61 and 2,661,965.44 is: 3,673,363.50
Step by Step Solution
- Step 1: Write the proportion equation
4,867,538.20 : 6,716,930.61 = 2,661,965.44 : x - Step 2: Convert to fraction form
4,867,538.20/6,716,930.61 = 2,661,965.44/x - Step 3: Cross multiply
4,867,538.20x = 6,716,930.61 × 2,661,965.44 - Step 4: Simplify right side
4,867,538.20x = 17,880,237,146,698.12 - Step 5: Solve for x
x = 17,880,237,146,698.12/4,867,538.20 - Step 6: Final answer
x = 3,673,363.50
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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.