Finding the Fourth Proportional to 1,493,441.80, 2,240,162.70 and 863,585.80
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Solution
The fourth proportional to 1,493,441.80, 2,240,162.70 and 863,585.80 is: 1,295,378.70
Step by Step Solution
- Step 1: Write the proportion equation
1,493,441.80 : 2,240,162.70 = 863,585.80 : x - Step 2: Convert to fraction form
1,493,441.80/2,240,162.70 = 863,585.80/x - Step 3: Cross multiply
1,493,441.80x = 2,240,162.70 × 863,585.80 - Step 4: Simplify right side
1,493,441.80x = 1,934,572,697,409.66 - Step 5: Solve for x
x = 1,934,572,697,409.66/1,493,441.80 - Step 6: Final answer
x = 1,295,378.70
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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.