Finding the Fourth Proportional to 2,018,581.70, 3,028,407.15 and 880,855.70
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Solution
The fourth proportional to 2,018,581.70, 3,028,407.15 and 880,855.70 is: 1,321,516.84
Step by Step Solution
- Step 1: Write the proportion equation
2,018,581.70 : 3,028,407.15 = 880,855.70 : x - Step 2: Convert to fraction form
2,018,581.70/3,028,407.15 = 880,855.70/x - Step 3: Cross multiply
2,018,581.70x = 3,028,407.15 × 880,855.70 - Step 4: Simplify right side
2,018,581.70x = 2,667,589,699,998.26 - Step 5: Solve for x
x = 2,667,589,699,998.26/2,018,581.70 - Step 6: Final answer
x = 1,321,516.84
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1.5x scale
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.