Finding the Fourth Proportional to 1,703,028.21, 2,350,128.65 and 939,081.57
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Solution
The fourth proportional to 1,703,028.21, 2,350,128.65 and 939,081.57 is: 1,295,904.84
Step by Step Solution
- Step 1: Write the proportion equation
1,703,028.21 : 2,350,128.65 = 939,081.57 : x - Step 2: Convert to fraction form
1,703,028.21/2,350,128.65 = 939,081.57/x - Step 3: Cross multiply
1,703,028.21x = 2,350,128.65 × 939,081.57 - Step 4: Simplify right side
1,703,028.21x = 2,206,962,497,648.57 - Step 5: Solve for x
x = 2,206,962,497,648.57/1,703,028.21 - Step 6: Final answer
x = 1,295,904.84
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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.