Finding the Fourth Proportional to 1,879,664.13, 2,593,867.05 and 1,020,205.94
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Solution
The fourth proportional to 1,879,664.13, 2,593,867.05 and 1,020,205.94 is: 1,407,846.50
Step by Step Solution
- Step 1: Write the proportion equation
1,879,664.13 : 2,593,867.05 = 1,020,205.94 : x - Step 2: Convert to fraction form
1,879,664.13/2,593,867.05 = 1,020,205.94/x - Step 3: Cross multiply
1,879,664.13x = 2,593,867.05 × 1,020,205.94 - Step 4: Simplify right side
1,879,664.13x = 2,646,278,559,010.94 - Step 5: Solve for x
x = 2,646,278,559,010.94/1,879,664.13 - Step 6: Final answer
x = 1,407,846.50
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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.