Finding the Fourth Proportional to 2,132,744.88, 2,943,181.26 and 1,165,875.60
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Solution
The fourth proportional to 2,132,744.88, 2,943,181.26 and 1,165,875.60 is: 1,608,904.68
Step by Step Solution
- Step 1: Write the proportion equation
2,132,744.88 : 2,943,181.26 = 1,165,875.60 : x - Step 2: Convert to fraction form
2,132,744.88/2,943,181.26 = 1,165,875.60/x - Step 3: Cross multiply
2,132,744.88x = 2,943,181.26 × 1,165,875.60 - Step 4: Simplify right side
2,132,744.88x = 3,431,383,217,411.26 - Step 5: Solve for x
x = 3,431,383,217,411.26/2,132,744.88 - Step 6: Final answer
x = 1,608,904.68
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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.