Finding the Fourth Proportional to 1,738,125.80, 2,607,188.70 and 991,629.80
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Solution
The fourth proportional to 1,738,125.80, 2,607,188.70 and 991,629.80 is: 1,487,444.70
Step by Step Solution
- Step 1: Write the proportion equation
1,738,125.80 : 2,607,188.70 = 991,629.80 : x - Step 2: Convert to fraction form
1,738,125.80/2,607,188.70 = 991,629.80/x - Step 3: Cross multiply
1,738,125.80x = 2,607,188.70 × 991,629.80 - Step 4: Simplify right side
1,738,125.80x = 2,585,366,009,143.26 - Step 5: Solve for x
x = 2,585,366,009,143.26/1,738,125.80 - Step 6: Final answer
x = 1,487,444.70
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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.