Finding the Fourth Proportional to 1,916,178.12, 2,873,476.38 and 654,107.40
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Solution
The fourth proportional to 1,916,178.12, 2,873,476.38 and 654,107.40 is: 980,891.15
Step by Step Solution
- Step 1: Write the proportion equation
1,916,178.12 : 2,873,476.38 = 654,107.40 : x - Step 2: Convert to fraction form
1,916,178.12/2,873,476.38 = 654,107.40/x - Step 3: Cross multiply
1,916,178.12x = 2,873,476.38 × 654,107.40 - Step 4: Simplify right side
1,916,178.12x = 1,879,562,163,883.21 - Step 5: Solve for x
x = 1,879,562,163,883.21/1,916,178.12 - Step 6: Final answer
x = 980,891.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.