Finding the Fourth Proportional to 3,388,529.69, 4,676,203.77 and 1,860,669.62
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Solution
The fourth proportional to 3,388,529.69, 4,676,203.77 and 1,860,669.62 is: 2,567,742.09
Step by Step Solution
- Step 1: Write the proportion equation
3,388,529.69 : 4,676,203.77 = 1,860,669.62 : x - Step 2: Convert to fraction form
3,388,529.69/4,676,203.77 = 1,860,669.62/x - Step 3: Cross multiply
3,388,529.69x = 4,676,203.77 × 1,860,669.62 - Step 4: Simplify right side
3,388,529.69x = 8,700,870,291,768.47 - Step 5: Solve for x
x = 8,700,870,291,768.47/3,388,529.69 - Step 6: Final answer
x = 2,567,742.09
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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.