Finding the Fourth Proportional to 2,018,454.79, 2,785,534.87 and 1,100,734.15
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Solution
The fourth proportional to 2,018,454.79, 2,785,534.87 and 1,100,734.15 is: 1,519,049.80
Step by Step Solution
- Step 1: Write the proportion equation
2,018,454.79 : 2,785,534.87 = 1,100,734.15 : x - Step 2: Convert to fraction form
2,018,454.79/2,785,534.87 = 1,100,734.15/x - Step 3: Cross multiply
2,018,454.79x = 2,785,534.87 × 1,100,734.15 - Step 4: Simplify right side
2,018,454.79x = 3,066,133,343,497.14 - Step 5: Solve for x
x = 3,066,133,343,497.14/2,018,454.79 - Step 6: Final answer
x = 1,519,049.80
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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.