Finding the Fourth Proportional to 1,686,305.44, 2,529,491.10 and 620,799.04
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Solution
The fourth proportional to 1,686,305.44, 2,529,491.10 and 620,799.04 is: 931,210.69
Step by Step Solution
- Step 1: Write the proportion equation
1,686,305.44 : 2,529,491.10 = 620,799.04 : x - Step 2: Convert to fraction form
1,686,305.44/2,529,491.10 = 620,799.04/x - Step 3: Cross multiply
1,686,305.44x = 2,529,491.10 × 620,799.04 - Step 4: Simplify right side
1,686,305.44x = 1,570,305,646,568.54 - Step 5: Solve for x
x = 1,570,305,646,568.54/1,686,305.44 - Step 6: Final answer
x = 931,210.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.