Finding the Fourth Proportional to 1,943,664.16, 2,682,273.99 and 1,072,537.60
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Solution
The fourth proportional to 1,943,664.16, 2,682,273.99 and 1,072,537.60 is: 1,480,111.52
Step by Step Solution
- Step 1: Write the proportion equation
1,943,664.16 : 2,682,273.99 = 1,072,537.60 : x - Step 2: Convert to fraction form
1,943,664.16/2,682,273.99 = 1,072,537.60/x - Step 3: Cross multiply
1,943,664.16x = 2,682,273.99 × 1,072,537.60 - Step 4: Simplify right side
1,943,664.16x = 2,876,839,707,777.02 - Step 5: Solve for x
x = 2,876,839,707,777.02/1,943,664.16 - Step 6: Final answer
x = 1,480,111.52
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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.