Finding the Fourth Proportional to 3,681,698.15, 5,081,362.94 and 2,374,582.79
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Solution
The fourth proportional to 3,681,698.15, 5,081,362.94 and 2,374,582.79 is: 3,277,323.80
Step by Step Solution
- Step 1: Write the proportion equation
3,681,698.15 : 5,081,362.94 = 2,374,582.79 : x - Step 2: Convert to fraction form
3,681,698.15/5,081,362.94 = 2,374,582.79/x - Step 3: Cross multiply
3,681,698.15x = 5,081,362.94 × 2,374,582.79 - Step 4: Simplify right side
3,681,698.15x = 12,066,116,987,067.80 - Step 5: Solve for x
x = 12,066,116,987,067.80/3,681,698.15 - Step 6: Final answer
x = 3,277,323.80
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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.