Finding the Fourth Proportional to 2,287,539.09, 3,156,887.93 and 1,381,946.13
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Solution
The fourth proportional to 2,287,539.09, 3,156,887.93 and 1,381,946.13 is: 1,907,136.39
Step by Step Solution
- Step 1: Write the proportion equation
2,287,539.09 : 3,156,887.93 = 1,381,946.13 : x - Step 2: Convert to fraction form
2,287,539.09/3,156,887.93 = 1,381,946.13/x - Step 3: Cross multiply
2,287,539.09x = 3,156,887.93 × 1,381,946.13 - Step 4: Simplify right side
2,287,539.09x = 4,362,649,050,797.48 - Step 5: Solve for x
x = 4,362,649,050,797.48/2,287,539.09 - Step 6: Final answer
x = 1,907,136.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.