Finding the Fourth Proportional to 1,461,143.97, 2,016,468.19 and 816,615.63
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Solution
The fourth proportional to 1,461,143.97, 2,016,468.19 and 816,615.63 is: 1,126,979.60
Step by Step Solution
- Step 1: Write the proportion equation
1,461,143.97 : 2,016,468.19 = 816,615.63 : x - Step 2: Convert to fraction form
1,461,143.97/2,016,468.19 = 816,615.63/x - Step 3: Cross multiply
1,461,143.97x = 2,016,468.19 × 816,615.63 - Step 4: Simplify right side
1,461,143.97x = 1,646,679,441,351.81 - Step 5: Solve for x
x = 1,646,679,441,351.81/1,461,143.97 - Step 6: Final answer
x = 1,126,979.60
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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.