Finding the Fourth Proportional to 3,684,297.80, 5,526,446.70 and 3,418,577.30
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Solution
The fourth proportional to 3,684,297.80, 5,526,446.70 and 3,418,577.30 is: 5,127,865.95
Step by Step Solution
- Step 1: Write the proportion equation
3,684,297.80 : 5,526,446.70 = 3,418,577.30 : x - Step 2: Convert to fraction form
3,684,297.80/5,526,446.70 = 3,418,577.30/x - Step 3: Cross multiply
3,684,297.80x = 5,526,446.70 × 3,418,577.30 - Step 4: Simplify right side
3,684,297.80x = 18,892,585,238,279.91 - Step 5: Solve for x
x = 18,892,585,238,279.91/3,684,297.80 - Step 6: Final answer
x = 5,127,865.95
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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.