Finding the Fourth Proportional to 1,507,430.19, 2,080,249.14 and 819,104.15
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Solution
The fourth proportional to 1,507,430.19, 2,080,249.14 and 819,104.15 is: 1,130,361.27
Step by Step Solution
- Step 1: Write the proportion equation
1,507,430.19 : 2,080,249.14 = 819,104.15 : x - Step 2: Convert to fraction form
1,507,430.19/2,080,249.14 = 819,104.15/x - Step 3: Cross multiply
1,507,430.19x = 2,080,249.14 × 819,104.15 - Step 4: Simplify right side
1,507,430.19x = 1,703,940,711,880.19 - Step 5: Solve for x
x = 1,703,940,711,880.19/1,507,430.19 - Step 6: Final answer
x = 1,130,361.27
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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.