Finding the Fourth Proportional to 1,879,689.51, 2,593,971.74 and 1,020,249.54
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Solution
The fourth proportional to 1,879,689.51, 2,593,971.74 and 1,020,249.54 is: 1,407,944.48
Step by Step Solution
- Step 1: Write the proportion equation
1,879,689.51 : 2,593,971.74 = 1,020,249.54 : x - Step 2: Convert to fraction form
1,879,689.51/2,593,971.74 = 1,020,249.54/x - Step 3: Cross multiply
1,879,689.51x = 2,593,971.74 × 1,020,249.54 - Step 4: Simplify right side
1,879,689.51x = 2,646,498,477,058.62 - Step 5: Solve for x
x = 2,646,498,477,058.62/1,879,689.51 - Step 6: Final answer
x = 1,407,944.48
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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.