Finding the Fourth Proportional to 1,461,086.84, 2,016,343.14 and 816,508.88
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Solution
The fourth proportional to 1,461,086.84, 2,016,343.14 and 816,508.88 is: 1,126,806.45
Step by Step Solution
- Step 1: Write the proportion equation
1,461,086.84 : 2,016,343.14 = 816,508.88 : x - Step 2: Convert to fraction form
1,461,086.84/2,016,343.14 = 816,508.88/x - Step 3: Cross multiply
1,461,086.84x = 2,016,343.14 × 816,508.88 - Step 4: Simplify right side
1,461,086.84x = 1,646,362,078,937.08 - Step 5: Solve for x
x = 1,646,362,078,937.08/1,461,086.84 - Step 6: Final answer
x = 1,126,806.45
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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.