Finding the Fourth Proportional to 4,215,312.80, 6,304,306.80 and 3,543,466.40
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Solution
The fourth proportional to 4,215,312.80, 6,304,306.80 and 3,543,466.40 is: 5,299,511.66
Step by Step Solution
- Step 1: Write the proportion equation
4,215,312.80 : 6,304,306.80 = 3,543,466.40 : x - Step 2: Convert to fraction form
4,215,312.80/6,304,306.80 = 3,543,466.40/x - Step 3: Cross multiply
4,215,312.80x = 6,304,306.80 × 3,543,466.40 - Step 4: Simplify right side
4,215,312.80x = 22,339,099,321,091.52 - Step 5: Solve for x
x = 22,339,099,321,091.52/4,215,312.80 - Step 6: Final answer
x = 5,299,511.66
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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.