Finding the Fourth Proportional to 1,718,969.56, 2,369,175.28 and 1,259,107.12
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Solution
The fourth proportional to 1,718,969.56, 2,369,175.28 and 1,259,107.12 is: 1,735,368.40
Step by Step Solution
- Step 1: Write the proportion equation
1,718,969.56 : 2,369,175.28 = 1,259,107.12 : x - Step 2: Convert to fraction form
1,718,969.56/2,369,175.28 = 1,259,107.12/x - Step 3: Cross multiply
1,718,969.56x = 2,369,175.28 × 1,259,107.12 - Step 4: Simplify right side
1,718,969.56x = 2,983,045,463,575.99 - Step 5: Solve for x
x = 2,983,045,463,575.99/1,718,969.56 - Step 6: Final answer
x = 1,735,368.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.