Finding the Fourth Proportional to 1,998,190.72, 2,995,603.84 and 932,671.36
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Solution
The fourth proportional to 1,998,190.72, 2,995,603.84 and 932,671.36 is: 1,398,221.84
Step by Step Solution
- Step 1: Write the proportion equation
1,998,190.72 : 2,995,603.84 = 932,671.36 : x - Step 2: Convert to fraction form
1,998,190.72/2,995,603.84 = 932,671.36/x - Step 3: Cross multiply
1,998,190.72x = 2,995,603.84 × 932,671.36 - Step 4: Simplify right side
1,998,190.72x = 2,793,913,907,474.02 - Step 5: Solve for x
x = 2,793,913,907,474.02/1,998,190.72 - Step 6: Final answer
x = 1,398,221.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.