Finding the Fourth Proportional to 1,755,631.28, 2,422,968.36 and 991,734.02
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Solution
The fourth proportional to 1,755,631.28, 2,422,968.36 and 991,734.02 is: 1,368,704.34
Step by Step Solution
- Step 1: Write the proportion equation
1,755,631.28 : 2,422,968.36 = 991,734.02 : x - Step 2: Convert to fraction form
1,755,631.28/2,422,968.36 = 991,734.02/x - Step 3: Cross multiply
1,755,631.28x = 2,422,968.36 × 991,734.02 - Step 4: Simplify right side
1,755,631.28x = 2,402,940,151,995.61 - Step 5: Solve for x
x = 2,402,940,151,995.61/1,755,631.28 - Step 6: Final answer
x = 1,368,704.34
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.