Finding the Fourth Proportional to 1,963,537.20, 2,709,634.68 and 1,284,459.12
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Solution
The fourth proportional to 1,963,537.20, 2,709,634.68 and 1,284,459.12 is: 1,772,523.07
Step by Step Solution
- Step 1: Write the proportion equation
1,963,537.20 : 2,709,634.68 = 1,284,459.12 : x - Step 2: Convert to fraction form
1,963,537.20/2,709,634.68 = 1,284,459.12/x - Step 3: Cross multiply
1,963,537.20x = 2,709,634.68 × 1,284,459.12 - Step 4: Simplify right side
1,963,537.20x = 3,480,414,976,594.28 - Step 5: Solve for x
x = 3,480,414,976,594.28/1,963,537.20 - Step 6: Final answer
x = 1,772,523.07
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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.