Finding the Fourth Proportional to 5,920,142.36, 8,169,796.35 and 3,203,888.36
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Solution
The fourth proportional to 5,920,142.36, 8,169,796.35 and 3,203,888.36 is: 4,421,365.88
Step by Step Solution
- Step 1: Write the proportion equation
5,920,142.36 : 8,169,796.35 = 3,203,888.36 : x - Step 2: Convert to fraction form
5,920,142.36/8,169,796.35 = 3,203,888.36/x - Step 3: Cross multiply
5,920,142.36x = 8,169,796.35 × 3,203,888.36 - Step 4: Simplify right side
5,920,142.36x = 26,175,115,388,486.50 - Step 5: Solve for x
x = 26,175,115,388,486.50/5,920,142.36 - Step 6: Final answer
x = 4,421,365.88
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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.