Finding the Fourth Proportional to 1,917,766.48, 2,876,961.84 and 719,782.96
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Solution
The fourth proportional to 1,917,766.48, 2,876,961.84 and 719,782.96 is: 1,079,791.59
Step by Step Solution
- Step 1: Write the proportion equation
1,917,766.48 : 2,876,961.84 = 719,782.96 : x - Step 2: Convert to fraction form
1,917,766.48/2,876,961.84 = 719,782.96/x - Step 3: Cross multiply
1,917,766.48x = 2,876,961.84 × 719,782.96 - Step 4: Simplify right side
1,917,766.48x = 2,070,788,109,002.25 - Step 5: Solve for x
x = 2,070,788,109,002.25/1,917,766.48 - Step 6: Final answer
x = 1,079,791.59
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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.