Finding the Fourth Proportional to 1,879,620.48, 2,593,879.11 and 1,020,181.05
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Solution
The fourth proportional to 1,879,620.48, 2,593,879.11 and 1,020,181.05 is: 1,407,851.39
Step by Step Solution
- Step 1: Write the proportion equation
1,879,620.48 : 2,593,879.11 = 1,020,181.05 : x - Step 2: Convert to fraction form
1,879,620.48/2,593,879.11 = 1,020,181.05/x - Step 3: Cross multiply
1,879,620.48x = 2,593,879.11 × 1,020,181.05 - Step 4: Simplify right side
1,879,620.48x = 2,646,226,314,012.87 - Step 5: Solve for x
x = 2,646,226,314,012.87/1,879,620.48 - Step 6: Final answer
x = 1,407,851.39
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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.