Finding the Fourth Proportional to 2,809,619.81, 4,212,723.12 and 1,101,717.02
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Solution
The fourth proportional to 2,809,619.81, 4,212,723.12 and 1,101,717.02 is: 1,651,906.33
Step by Step Solution
- Step 1: Write the proportion equation
2,809,619.81 : 4,212,723.12 = 1,101,717.02 : x - Step 2: Convert to fraction form
2,809,619.81/4,212,723.12 = 1,101,717.02/x - Step 3: Cross multiply
2,809,619.81x = 4,212,723.12 × 1,101,717.02 - Step 4: Simplify right side
2,809,619.81x = 4,641,228,748,565.40 - Step 5: Solve for x
x = 4,641,228,748,565.40/2,809,619.81 - Step 6: Final answer
x = 1,651,906.33
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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.