Finding the Fourth Proportional to 1,461,192.09, 2,016,507.39 and 816,612.27
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Solution
The fourth proportional to 1,461,192.09, 2,016,507.39 and 816,612.27 is: 1,126,959.75
Step by Step Solution
- Step 1: Write the proportion equation
1,461,192.09 : 2,016,507.39 = 816,612.27 : x - Step 2: Convert to fraction form
1,461,192.09/2,016,507.39 = 816,612.27/x - Step 3: Cross multiply
1,461,192.09x = 2,016,507.39 × 816,612.27 - Step 4: Simplify right side
1,461,192.09x = 1,646,704,677,219.68 - Step 5: Solve for x
x = 1,646,704,677,219.68/1,461,192.09 - Step 6: Final answer
x = 1,126,959.75
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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.