Finding the Fourth Proportional to 5,829,691.44, 8,744,289.30 and 1,991,857.98
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Solution
The fourth proportional to 5,829,691.44, 8,744,289.30 and 1,991,857.98 is: 2,987,702.28
Step by Step Solution
- Step 1: Write the proportion equation
5,829,691.44 : 8,744,289.30 = 1,991,857.98 : x - Step 2: Convert to fraction form
5,829,691.44/8,744,289.30 = 1,991,857.98/x - Step 3: Cross multiply
5,829,691.44x = 8,744,289.30 × 1,991,857.98 - Step 4: Simplify right side
5,829,691.44x = 17,417,382,421,633.62 - Step 5: Solve for x
x = 17,417,382,421,633.62/5,829,691.44 - Step 6: Final answer
x = 2,987,702.28
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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.