Finding the Fourth Proportional to 1,507,777.26, 2,080,748.69 and 819,449.18
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Solution
The fourth proportional to 1,507,777.26, 2,080,748.69 and 819,449.18 is: 1,130,848.60
Step by Step Solution
- Step 1: Write the proportion equation
1,507,777.26 : 2,080,748.69 = 819,449.18 : x - Step 2: Convert to fraction form
1,507,777.26/2,080,748.69 = 819,449.18/x - Step 3: Cross multiply
1,507,777.26x = 2,080,748.69 × 819,449.18 - Step 4: Simplify right side
1,507,777.26x = 1,705,067,807,806.57 - Step 5: Solve for x
x = 1,705,067,807,806.57/1,507,777.26 - Step 6: Final answer
x = 1,130,848.60
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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.