Finding the Fourth Proportional to 4,147,225.80, 6,220,838.70 and 1,155,409.80
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Solution
The fourth proportional to 4,147,225.80, 6,220,838.70 and 1,155,409.80 is: 1,733,114.70
Step by Step Solution
- Step 1: Write the proportion equation
4,147,225.80 : 6,220,838.70 = 1,155,409.80 : x - Step 2: Convert to fraction form
4,147,225.80/6,220,838.70 = 1,155,409.80/x - Step 3: Cross multiply
4,147,225.80x = 6,220,838.70 × 1,155,409.80 - Step 4: Simplify right side
4,147,225.80x = 7,187,617,998,199.26 - Step 5: Solve for x
x = 7,187,617,998,199.26/4,147,225.80 - Step 6: Final answer
x = 1,733,114.70
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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.