Finding the Fourth Proportional to 3,827,512.62, 5,740,219.17 and 1,430,560.62
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Solution
The fourth proportional to 3,827,512.62, 5,740,219.17 and 1,430,560.62 is: 2,145,448.57
Step by Step Solution
- Step 1: Write the proportion equation
3,827,512.62 : 5,740,219.17 = 1,430,560.62 : x - Step 2: Convert to fraction form
3,827,512.62/5,740,219.17 = 1,430,560.62/x - Step 3: Cross multiply
3,827,512.62x = 5,740,219.17 × 1,430,560.62 - Step 4: Simplify right side
3,827,512.62x = 8,211,731,494,771.09 - Step 5: Solve for x
x = 8,211,731,494,771.09/3,827,512.62 - Step 6: Final answer
x = 2,145,448.57
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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.