Finding the Fourth Proportional to 3,936,743.19, 5,432,820.74 and 2,304,997.88
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Solution
The fourth proportional to 3,936,743.19, 5,432,820.74 and 2,304,997.88 is: 3,180,964.48
Step by Step Solution
- Step 1: Write the proportion equation
3,936,743.19 : 5,432,820.74 = 2,304,997.88 : x - Step 2: Convert to fraction form
3,936,743.19/5,432,820.74 = 2,304,997.88/x - Step 3: Cross multiply
3,936,743.19x = 5,432,820.74 × 2,304,997.88 - Step 4: Simplify right side
3,936,743.19x = 12,522,640,249,430.94 - Step 5: Solve for x
x = 12,522,640,249,430.94/3,936,743.19 - Step 6: Final answer
x = 3,180,964.48
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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.