Finding the Fourth Proportional to 1,806,507.68, 2,493,014.80 and 990,659.68
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Solution
The fourth proportional to 1,806,507.68, 2,493,014.80 and 990,659.68 is: 1,367,129.11
Step by Step Solution
- Step 1: Write the proportion equation
1,806,507.68 : 2,493,014.80 = 990,659.68 : x - Step 2: Convert to fraction form
1,806,507.68/2,493,014.80 = 990,659.68/x - Step 3: Cross multiply
1,806,507.68x = 2,493,014.80 × 990,659.68 - Step 4: Simplify right side
1,806,507.68x = 2,469,729,244,003.26 - Step 5: Solve for x
x = 2,469,729,244,003.26/1,806,507.68 - Step 6: Final answer
x = 1,367,129.11
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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.