Finding the Fourth Proportional to 2,078,252.88, 3,118,277.44 and 1,117,585.68
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Solution
The fourth proportional to 2,078,252.88, 3,118,277.44 and 1,117,585.68 is: 1,676,861.49
Step by Step Solution
- Step 1: Write the proportion equation
2,078,252.88 : 3,118,277.44 = 1,117,585.68 : x - Step 2: Convert to fraction form
2,078,252.88/3,118,277.44 = 1,117,585.68/x - Step 3: Cross multiply
2,078,252.88x = 3,118,277.44 × 1,117,585.68 - Step 4: Simplify right side
2,078,252.88x = 3,484,942,213,211.06 - Step 5: Solve for x
x = 3,484,942,213,211.06/2,078,252.88 - Step 6: Final answer
x = 1,676,861.49
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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.