Finding the Fourth Proportional to 1,879,665.63, 2,593,869.12 and 1,020,207.44
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Solution
The fourth proportional to 1,879,665.63, 2,593,869.12 and 1,020,207.44 is: 1,407,848.57
Step by Step Solution
- Step 1: Write the proportion equation
1,879,665.63 : 2,593,869.12 = 1,020,207.44 : x - Step 2: Convert to fraction form
1,879,665.63/2,593,869.12 = 1,020,207.44/x - Step 3: Cross multiply
1,879,665.63x = 2,593,869.12 × 1,020,207.44 - Step 4: Simplify right side
1,879,665.63x = 2,646,284,561,640.91 - Step 5: Solve for x
x = 2,646,284,561,640.91/1,879,665.63 - Step 6: Final answer
x = 1,407,848.57
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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.