Finding the Fourth Proportional to 3,160,735.97, 4,361,346.43 and 1,919,700.49
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Solution
The fourth proportional to 3,160,735.97, 4,361,346.43 and 1,919,700.49 is: 2,648,901.70
Step by Step Solution
- Step 1: Write the proportion equation
3,160,735.97 : 4,361,346.43 = 1,919,700.49 : x - Step 2: Convert to fraction form
3,160,735.97/4,361,346.43 = 1,919,700.49/x - Step 3: Cross multiply
3,160,735.97x = 4,361,346.43 × 1,919,700.49 - Step 4: Simplify right side
3,160,735.97x = 8,372,478,878,730.75 - Step 5: Solve for x
x = 8,372,478,878,730.75/3,160,735.97 - Step 6: Final answer
x = 2,648,901.70
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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.