Finding the Fourth Proportional to 5,919,415.62, 8,168,818.16 and 3,203,161.62
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Solution
The fourth proportional to 5,919,415.62, 8,168,818.16 and 3,203,161.62 is: 4,420,376.35
Step by Step Solution
- Step 1: Write the proportion equation
5,919,415.62 : 8,168,818.16 = 3,203,161.62 : x - Step 2: Convert to fraction form
5,919,415.62/8,168,818.16 = 3,203,161.62/x - Step 3: Cross multiply
5,919,415.62x = 8,168,818.16 × 3,203,161.62 - Step 4: Simplify right side
5,919,415.62x = 26,166,044,810,871.02 - Step 5: Solve for x
x = 26,166,044,810,871.02/5,919,415.62 - Step 6: Final answer
x = 4,420,376.35
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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.