Finding the Fourth Proportional to 1,723,218.63, 2,378,360.58 and 998,066.13
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Solution
The fourth proportional to 1,723,218.63, 2,378,360.58 and 998,066.13 is: 1,377,515.95
Step by Step Solution
- Step 1: Write the proportion equation
1,723,218.63 : 2,378,360.58 = 998,066.13 : x - Step 2: Convert to fraction form
1,723,218.63/2,378,360.58 = 998,066.13/x - Step 3: Cross multiply
1,723,218.63x = 2,378,360.58 × 998,066.13 - Step 4: Simplify right side
1,723,218.63x = 2,373,761,139,825.16 - Step 5: Solve for x
x = 2,373,761,139,825.16/1,723,218.63 - Step 6: Final answer
x = 1,377,515.95
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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.