Finding the Fourth Proportional to 1,449,200.87, 1,999,959.66 and 804,621.09
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Solution
The fourth proportional to 1,449,200.87, 1,999,959.66 and 804,621.09 is: 1,110,411.79
Step by Step Solution
- Step 1: Write the proportion equation
1,449,200.87 : 1,999,959.66 = 804,621.09 : x - Step 2: Convert to fraction form
1,449,200.87/1,999,959.66 = 804,621.09/x - Step 3: Cross multiply
1,449,200.87x = 1,999,959.66 × 804,621.09 - Step 4: Simplify right side
1,449,200.87x = 1,609,209,729,085.08 - Step 5: Solve for x
x = 1,609,209,729,085.08/1,449,200.87 - Step 6: Final answer
x = 1,110,411.79
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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.