Finding the Fourth Proportional to 3,949,471.80, 5,924,207.70 and 2,242,955.70
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Solution
The fourth proportional to 3,949,471.80, 5,924,207.70 and 2,242,955.70 is: 3,364,433.55
Step by Step Solution
- Step 1: Write the proportion equation
3,949,471.80 : 5,924,207.70 = 2,242,955.70 : x - Step 2: Convert to fraction form
3,949,471.80/5,924,207.70 = 2,242,955.70/x - Step 3: Cross multiply
3,949,471.80x = 5,924,207.70 × 2,242,955.70 - Step 4: Simplify right side
3,949,471.80x = 13,287,735,428,698.89 - Step 5: Solve for x
x = 13,287,735,428,698.89/3,949,471.80 - Step 6: Final answer
x = 3,364,433.55
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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.