Finding the Fourth Proportional to 2,658,896.42, 3,989,349.79 and 1,040,821.66
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Solution
The fourth proportional to 2,658,896.42, 3,989,349.79 and 1,040,821.66 is: 1,561,625.95
Step by Step Solution
- Step 1: Write the proportion equation
2,658,896.42 : 3,989,349.79 = 1,040,821.66 : x - Step 2: Convert to fraction form
2,658,896.42/3,989,349.79 = 1,040,821.66/x - Step 3: Cross multiply
2,658,896.42x = 3,989,349.79 × 1,040,821.66 - Step 4: Simplify right side
2,658,896.42x = 4,152,201,651,486.28 - Step 5: Solve for x
x = 4,152,201,651,486.28/2,658,896.42 - Step 6: Final answer
x = 1,561,625.95
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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.