Finding the Fourth Proportional to 1,461,323.13, 2,016,720.50 and 816,770.49
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Solution
The fourth proportional to 1,461,323.13, 2,016,720.50 and 816,770.49 is: 1,127,196.14
Step by Step Solution
- Step 1: Write the proportion equation
1,461,323.13 : 2,016,720.50 = 816,770.49 : x - Step 2: Convert to fraction form
1,461,323.13/2,016,720.50 = 816,770.49/x - Step 3: Cross multiply
1,461,323.13x = 2,016,720.50 × 816,770.49 - Step 4: Simplify right side
1,461,323.13x = 1,647,197,786,894.19 - Step 5: Solve for x
x = 1,647,197,786,894.19/1,461,323.13 - Step 6: Final answer
x = 1,127,196.14
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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.