Finding the Fourth Proportional to 4,171,030.80, 6,256,546.20 and 3,226,246.80
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Solution
The fourth proportional to 4,171,030.80, 6,256,546.20 and 3,226,246.80 is: 4,839,370.20
Step by Step Solution
- Step 1: Write the proportion equation
4,171,030.80 : 6,256,546.20 = 3,226,246.80 : x - Step 2: Convert to fraction form
4,171,030.80/6,256,546.20 = 3,226,246.80/x - Step 3: Cross multiply
4,171,030.80x = 6,256,546.20 × 3,226,246.80 - Step 4: Simplify right side
4,171,030.80x = 20,185,162,156,802.16 - Step 5: Solve for x
x = 20,185,162,156,802.16/4,171,030.80 - Step 6: Final answer
x = 4,839,370.20
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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.