Finding the Fourth Proportional to 2,098,021.77, 2,895,265.74 and 1,180,251.54
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Solution
The fourth proportional to 2,098,021.77, 2,895,265.74 and 1,180,251.54 is: 1,628,744.70
Step by Step Solution
- Step 1: Write the proportion equation
2,098,021.77 : 2,895,265.74 = 1,180,251.54 : x - Step 2: Convert to fraction form
2,098,021.77/2,895,265.74 = 1,180,251.54/x - Step 3: Cross multiply
2,098,021.77x = 2,895,265.74 × 1,180,251.54 - Step 4: Simplify right side
2,098,021.77x = 3,417,141,848,344.24 - Step 5: Solve for x
x = 3,417,141,848,344.24/2,098,021.77 - Step 6: Final answer
x = 1,628,744.70
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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.