Finding the Fourth Proportional to 1,809,969.26, 2,497,689.15 and 1,005,205.10
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Solution
The fourth proportional to 1,809,969.26, 2,497,689.15 and 1,005,205.10 is: 1,387,145.03
Step by Step Solution
- Step 1: Write the proportion equation
1,809,969.26 : 2,497,689.15 = 1,005,205.10 : x - Step 2: Convert to fraction form
1,809,969.26/2,497,689.15 = 1,005,205.10/x - Step 3: Cross multiply
1,809,969.26x = 2,497,689.15 × 1,005,205.10 - Step 4: Simplify right side
1,809,969.26x = 2,510,689,871,794.67 - Step 5: Solve for x
x = 2,510,689,871,794.67/1,809,969.26 - Step 6: Final answer
x = 1,387,145.03
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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.