Finding the Fourth Proportional to 1,970,395.97, 2,719,151.09 and 1,064,977.97
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Solution
The fourth proportional to 1,970,395.97, 2,719,151.09 and 1,064,977.97 is: 1,469,672.11
Step by Step Solution
- Step 1: Write the proportion equation
1,970,395.97 : 2,719,151.09 = 1,064,977.97 : x - Step 2: Convert to fraction form
1,970,395.97/2,719,151.09 = 1,064,977.97/x - Step 3: Cross multiply
1,970,395.97x = 2,719,151.09 × 1,064,977.97 - Step 4: Simplify right side
1,970,395.97x = 2,895,836,002,626.60 - Step 5: Solve for x
x = 2,895,836,002,626.60/1,970,395.97 - Step 6: Final answer
x = 1,469,672.11
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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.