Finding the Fourth Proportional to 1,939,135.95, 2,910,032.51 and 676,963.53
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Solution
The fourth proportional to 1,939,135.95, 2,910,032.51 and 676,963.53 is: 1,015,909.11
Step by Step Solution
- Step 1: Write the proportion equation
1,939,135.95 : 2,910,032.51 = 676,963.53 : x - Step 2: Convert to fraction form
1,939,135.95/2,910,032.51 = 676,963.53/x - Step 3: Cross multiply
1,939,135.95x = 2,910,032.51 × 676,963.53 - Step 4: Simplify right side
1,939,135.95x = 1,969,985,876,999.54 - Step 5: Solve for x
x = 1,969,985,876,999.54/1,939,135.95 - Step 6: Final answer
x = 1,015,909.11
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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.