Finding the Fourth Proportional to 1,577,042.36, 2,365,563.29 and 378,964.68
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Solution
The fourth proportional to 1,577,042.36, 2,365,563.29 and 378,964.68 is: 568,446.95
Step by Step Solution
- Step 1: Write the proportion equation
1,577,042.36 : 2,365,563.29 = 378,964.68 : x - Step 2: Convert to fraction form
1,577,042.36/2,365,563.29 = 378,964.68/x - Step 3: Cross multiply
1,577,042.36x = 2,365,563.29 × 378,964.68 - Step 4: Simplify right side
1,577,042.36x = 896,464,924,448.91 - Step 5: Solve for x
x = 896,464,924,448.91/1,577,042.36 - Step 6: Final answer
x = 568,446.95
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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.