Finding the Fourth Proportional to 1,507,625.56, 2,080,543.53 and 819,311.05
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Solution
The fourth proportional to 1,507,625.56, 2,080,543.53 and 819,311.05 is: 1,130,660.26
Step by Step Solution
- Step 1: Write the proportion equation
1,507,625.56 : 2,080,543.53 = 819,311.05 : x - Step 2: Convert to fraction form
1,507,625.56/2,080,543.53 = 819,311.05/x - Step 3: Cross multiply
1,507,625.56x = 2,080,543.53 × 819,311.05 - Step 4: Simplify right side
1,507,625.56x = 1,704,612,304,135.01 - Step 5: Solve for x
x = 1,704,612,304,135.01/1,507,625.56 - Step 6: Final answer
x = 1,130,660.26
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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.