Finding the Fourth Proportional to 3,416,988.34, 4,715,452.36 and 1,868,350.06
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Solution
The fourth proportional to 3,416,988.34, 4,715,452.36 and 1,868,350.06 is: 2,578,327.70
Step by Step Solution
- Step 1: Write the proportion equation
3,416,988.34 : 4,715,452.36 = 1,868,350.06 : x - Step 2: Convert to fraction form
3,416,988.34/4,715,452.36 = 1,868,350.06/x - Step 3: Cross multiply
3,416,988.34x = 4,715,452.36 × 1,868,350.06 - Step 4: Simplify right side
3,416,988.34x = 8,810,115,679,770.48 - Step 5: Solve for x
x = 8,810,115,679,770.48/3,416,988.34 - Step 6: Final answer
x = 2,578,327.70
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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.