Finding the Fourth Proportional to 5,639,367.20, 8,459,569.20 and 1,595,847.20
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Solution
The fourth proportional to 5,639,367.20, 8,459,569.20 and 1,595,847.20 is: 2,393,917.50
Step by Step Solution
- Step 1: Write the proportion equation
5,639,367.20 : 8,459,569.20 = 1,595,847.20 : x - Step 2: Convert to fraction form
5,639,367.20/8,459,569.20 = 1,595,847.20/x - Step 3: Cross multiply
5,639,367.20x = 8,459,569.20 × 1,595,847.20 - Step 4: Simplify right side
5,639,367.20x = 13,500,179,821,026.24 - Step 5: Solve for x
x = 13,500,179,821,026.24/5,639,367.20 - Step 6: Final answer
x = 2,393,917.50
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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.