Finding the Fourth Proportional to 5,919,915.42, 8,169,509.46 and 3,203,662.14
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Solution
The fourth proportional to 5,919,915.42, 8,169,509.46 and 3,203,662.14 is: 4,421,067.92
Step by Step Solution
- Step 1: Write the proportion equation
5,919,915.42 : 8,169,509.46 = 3,203,662.14 : x - Step 2: Convert to fraction form
5,919,915.42/8,169,509.46 = 3,203,662.14/x - Step 3: Cross multiply
5,919,915.42x = 8,169,509.46 × 3,203,662.14 - Step 4: Simplify right side
5,919,915.42x = 26,172,348,159,373.84 - Step 5: Solve for x
x = 26,172,348,159,373.84/5,919,915.42 - Step 6: Final answer
x = 4,421,067.92
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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.