Finding the Fourth Proportional to 1,805,012.93, 2,490,861.49 and 989,201.79
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Solution
The fourth proportional to 1,805,012.93, 2,490,861.49 and 989,201.79 is: 1,365,067.58
Step by Step Solution
- Step 1: Write the proportion equation
1,805,012.93 : 2,490,861.49 = 989,201.79 : x - Step 2: Convert to fraction form
1,805,012.93/2,490,861.49 = 989,201.79/x - Step 3: Cross multiply
1,805,012.93x = 2,490,861.49 × 989,201.79 - Step 4: Simplify right side
1,805,012.93x = 2,463,964,642,077.06 - Step 5: Solve for x
x = 2,463,964,642,077.06/1,805,012.93 - Step 6: Final answer
x = 1,365,067.58
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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.