Finding the Fourth Proportional to 4,181,645.70, 5,772,698.82 and 2,804,485.68
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Solution
The fourth proportional to 4,181,645.70, 5,772,698.82 and 2,804,485.68 is: 3,871,550.18
Step by Step Solution
- Step 1: Write the proportion equation
4,181,645.70 : 5,772,698.82 = 2,804,485.68 : x - Step 2: Convert to fraction form
4,181,645.70/5,772,698.82 = 2,804,485.68/x - Step 3: Cross multiply
4,181,645.70x = 5,772,698.82 × 2,804,485.68 - Step 4: Simplify right side
4,181,645.70x = 16,189,451,175,642.90 - Step 5: Solve for x
x = 16,189,451,175,642.90/4,181,645.70 - Step 6: Final answer
x = 3,871,550.18
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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.