Finding the Fourth Proportional to 2,274,029.12, 3,137,802.64 and 1,306,972.68
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Solution
The fourth proportional to 2,274,029.12, 3,137,802.64 and 1,306,972.68 is: 1,803,416.80
Step by Step Solution
- Step 1: Write the proportion equation
2,274,029.12 : 3,137,802.64 = 1,306,972.68 : x - Step 2: Convert to fraction form
2,274,029.12/3,137,802.64 = 1,306,972.68/x - Step 3: Cross multiply
2,274,029.12x = 3,137,802.64 × 1,306,972.68 - Step 4: Simplify right side
2,274,029.12x = 4,101,022,325,711.88 - Step 5: Solve for x
x = 4,101,022,325,711.88/2,274,029.12 - Step 6: Final answer
x = 1,803,416.80
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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.