Finding the Fourth Proportional to 1,879,644.78, 2,593,840.29 and 1,020,186.62
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Solution
The fourth proportional to 1,879,644.78, 2,593,840.29 and 1,020,186.62 is: 1,407,819.81
Step by Step Solution
- Step 1: Write the proportion equation
1,879,644.78 : 2,593,840.29 = 1,020,186.62 : x - Step 2: Convert to fraction form
1,879,644.78/2,593,840.29 = 1,020,186.62/x - Step 3: Cross multiply
1,879,644.78x = 2,593,840.29 × 1,020,186.62 - Step 4: Simplify right side
1,879,644.78x = 2,646,201,158,274.92 - Step 5: Solve for x
x = 2,646,201,158,274.92/1,879,644.78 - Step 6: Final answer
x = 1,407,819.81
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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.