Finding the Fourth Proportional to 1,507,768.97, 2,080,737.28 and 819,440.79
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Solution
The fourth proportional to 1,507,768.97, 2,080,737.28 and 819,440.79 is: 1,130,837.04
Step by Step Solution
- Step 1: Write the proportion equation
1,507,768.97 : 2,080,737.28 = 819,440.79 : x - Step 2: Convert to fraction form
1,507,768.97/2,080,737.28 = 819,440.79/x - Step 3: Cross multiply
1,507,768.97x = 2,080,737.28 × 819,440.79 - Step 4: Simplify right side
1,507,768.97x = 1,705,040,993,727.19 - Step 5: Solve for x
x = 1,705,040,993,727.19/1,507,768.97 - Step 6: Final answer
x = 1,130,837.04
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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.