Finding the Fourth Proportional to 1,731,268.24, 2,608,719.54 and 1,422,638.80
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Solution
The fourth proportional to 1,731,268.24, 2,608,719.54 and 1,422,638.80 is: 2,143,668.76
Step by Step Solution
- Step 1: Write the proportion equation
1,731,268.24 : 2,608,719.54 = 1,422,638.80 : x - Step 2: Convert to fraction form
1,731,268.24/2,608,719.54 = 1,422,638.80/x - Step 3: Cross multiply
1,731,268.24x = 2,608,719.54 × 1,422,638.80 - Step 4: Simplify right side
1,731,268.24x = 3,711,265,635,922.15 - Step 5: Solve for x
x = 3,711,265,635,922.15/1,731,268.24 - Step 6: Final answer
x = 2,143,668.76
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.