Finding the Fourth Proportional to 3,689,612.88, 5,535,490.14 and 1,530,241.98
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Solution
The fourth proportional to 3,689,612.88, 5,535,490.14 and 1,530,241.98 is: 2,295,807.09
Step by Step Solution
- Step 1: Write the proportion equation
3,689,612.88 : 5,535,490.14 = 1,530,241.98 : x - Step 2: Convert to fraction form
3,689,612.88/5,535,490.14 = 1,530,241.98/x - Step 3: Cross multiply
3,689,612.88x = 5,535,490.14 × 1,530,241.98 - Step 4: Simplify right side
3,689,612.88x = 8,470,639,392,104.08 - Step 5: Solve for x
x = 8,470,639,392,104.08/3,689,612.88 - Step 6: Final answer
x = 2,295,807.09
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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.