Finding the Fourth Proportional to 5,742,495.90, 7,924,997.34 and 3,164,175.99
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Solution
The fourth proportional to 5,742,495.90, 7,924,997.34 and 3,164,175.99 is: 4,366,757.37
Step by Step Solution
- Step 1: Write the proportion equation
5,742,495.90 : 7,924,997.34 = 3,164,175.99 : x - Step 2: Convert to fraction form
5,742,495.90/7,924,997.34 = 3,164,175.99/x - Step 3: Cross multiply
5,742,495.90x = 7,924,997.34 × 3,164,175.99 - Step 4: Simplify right side
5,742,495.90x = 25,076,086,304,041.87 - Step 5: Solve for x
x = 25,076,086,304,041.87/5,742,495.90 - Step 6: Final answer
x = 4,366,757.37
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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.