Finding the Fourth Proportional to 4,371,690.80, 6,557,536.20 and 2,777,367.80
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Solution
The fourth proportional to 4,371,690.80, 6,557,536.20 and 2,777,367.80 is: 4,166,051.70
Step by Step Solution
- Step 1: Write the proportion equation
4,371,690.80 : 6,557,536.20 = 2,777,367.80 : x - Step 2: Convert to fraction form
4,371,690.80/6,557,536.20 = 2,777,367.80/x - Step 3: Cross multiply
4,371,690.80x = 6,557,536.20 × 2,777,367.80 - Step 4: Simplify right side
4,371,690.80x = 18,212,689,889,214.36 - Step 5: Solve for x
x = 18,212,689,889,214.36/4,371,690.80 - Step 6: Final answer
x = 4,166,051.70
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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.