Finding the Fourth Proportional to 1,892,135.16, 2,610,747.54 and 1,203,556.68
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Solution
The fourth proportional to 1,892,135.16, 2,610,747.54 and 1,203,556.68 is: 1,660,654.43
Step by Step Solution
- Step 1: Write the proportion equation
1,892,135.16 : 2,610,747.54 = 1,203,556.68 : x - Step 2: Convert to fraction form
1,892,135.16/2,610,747.54 = 1,203,556.68/x - Step 3: Cross multiply
1,892,135.16x = 2,610,747.54 × 1,203,556.68 - Step 4: Simplify right side
1,892,135.16x = 3,142,182,641,560.57 - Step 5: Solve for x
x = 3,142,182,641,560.57/1,892,135.16 - Step 6: Final answer
x = 1,660,654.43
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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.