Finding the Fourth Proportional to 6,521,537.80, 9,782,306.70 and 2,261,261.80
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Solution
The fourth proportional to 6,521,537.80, 9,782,306.70 and 2,261,261.80 is: 3,391,892.70
Step by Step Solution
- Step 1: Write the proportion equation
6,521,537.80 : 9,782,306.70 = 2,261,261.80 : x - Step 2: Convert to fraction form
6,521,537.80/9,782,306.70 = 2,261,261.80/x - Step 3: Cross multiply
6,521,537.80x = 9,782,306.70 × 2,261,261.80 - Step 4: Simplify right side
6,521,537.80x = 22,120,356,456,594.05 - Step 5: Solve for x
x = 22,120,356,456,594.05/6,521,537.80 - Step 6: Final answer
x = 3,391,892.70
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Similar ratio
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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.