Finding the Fourth Proportional to 1,879,648.80, 2,593,845.81 and 1,020,190.62
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Solution
The fourth proportional to 1,879,648.80, 2,593,845.81 and 1,020,190.62 is: 1,407,825.32
Step by Step Solution
- Step 1: Write the proportion equation
1,879,648.80 : 2,593,845.81 = 1,020,190.62 : x - Step 2: Convert to fraction form
1,879,648.80/2,593,845.81 = 1,020,190.62/x - Step 3: Cross multiply
1,879,648.80x = 2,593,845.81 × 1,020,190.62 - Step 4: Simplify right side
1,879,648.80x = 2,646,217,165,088.30 - Step 5: Solve for x
x = 2,646,217,165,088.30/1,879,648.80 - Step 6: Final answer
x = 1,407,825.32
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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.