Finding the Fourth Proportional to 5,309,044.75, 7,963,596.30 and 1,319,956.75
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Solution
The fourth proportional to 5,309,044.75, 7,963,596.30 and 1,319,956.75 is: 1,979,942.38
Step by Step Solution
- Step 1: Write the proportion equation
5,309,044.75 : 7,963,596.30 = 1,319,956.75 : x - Step 2: Convert to fraction form
5,309,044.75/7,963,596.30 = 1,319,956.75/x - Step 3: Cross multiply
5,309,044.75x = 7,963,596.30 × 1,319,956.75 - Step 4: Simplify right side
5,309,044.75x = 10,511,602,690,460.03 - Step 5: Solve for x
x = 10,511,602,690,460.03/5,309,044.75 - Step 6: Final answer
x = 1,979,942.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.