Finding the Fourth Proportional to 2,083,867.52, 2,875,857.70 and 1,166,088.65
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Solution
The fourth proportional to 2,083,867.52, 2,875,857.70 and 1,166,088.65 is: 1,609,269.77
Step by Step Solution
- Step 1: Write the proportion equation
2,083,867.52 : 2,875,857.70 = 1,166,088.65 : x - Step 2: Convert to fraction form
2,083,867.52/2,875,857.70 = 1,166,088.65/x - Step 3: Cross multiply
2,083,867.52x = 2,875,857.70 × 1,166,088.65 - Step 4: Simplify right side
2,083,867.52x = 3,353,505,005,690.60 - Step 5: Solve for x
x = 3,353,505,005,690.60/2,083,867.52 - Step 6: Final answer
x = 1,609,269.77
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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.