Finding the Fourth Proportional to 3,679,446.40, 5,074,754.43 and 2,390,705.62
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Solution
The fourth proportional to 3,679,446.40, 5,074,754.43 and 2,390,705.62 is: 3,297,301.45
Step by Step Solution
- Step 1: Write the proportion equation
3,679,446.40 : 5,074,754.43 = 2,390,705.62 : x - Step 2: Convert to fraction form
3,679,446.40/5,074,754.43 = 2,390,705.62/x - Step 3: Cross multiply
3,679,446.40x = 5,074,754.43 × 2,390,705.62 - Step 4: Simplify right side
3,679,446.40x = 12,132,243,935,920.90 - Step 5: Solve for x
x = 12,132,243,935,920.90/3,679,446.40 - Step 6: Final answer
x = 3,297,301.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.