Finding the Fourth Proportional to 4,306,554.20, 6,458,276.10 and 2,175,930.20
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Solution
The fourth proportional to 4,306,554.20, 6,458,276.10 and 2,175,930.20 is: 3,263,109.52
Step by Step Solution
- Step 1: Write the proportion equation
4,306,554.20 : 6,458,276.10 = 2,175,930.20 : x - Step 2: Convert to fraction form
4,306,554.20/6,458,276.10 = 2,175,930.20/x - Step 3: Cross multiply
4,306,554.20x = 6,458,276.10 × 2,175,930.20 - Step 4: Simplify right side
4,306,554.20x = 14,052,758,005,928.22 - Step 5: Solve for x
x = 14,052,758,005,928.22/4,306,554.20 - Step 6: Final answer
x = 3,263,109.52
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1.5x scale
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.