Finding the Fourth Proportional to 1,461,116.41, 2,016,334.74 and 816,536.43
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Solution
The fourth proportional to 1,461,116.41, 2,016,334.74 and 816,536.43 is: 1,126,816.97
Step by Step Solution
- Step 1: Write the proportion equation
1,461,116.41 : 2,016,334.74 = 816,536.43 : x - Step 2: Convert to fraction form
1,461,116.41/2,016,334.74 = 816,536.43/x - Step 3: Cross multiply
1,461,116.41x = 2,016,334.74 × 816,536.43 - Step 4: Simplify right side
1,461,116.41x = 1,646,410,760,202.90 - Step 5: Solve for x
x = 1,646,410,760,202.90/1,461,116.41 - Step 6: Final answer
x = 1,126,816.97
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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.