Finding the Fourth Proportional to 2,005,993.44, 2,768,270.92 and 1,146,572.15
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Solution
The fourth proportional to 2,005,993.44, 2,768,270.92 and 1,146,572.15 is: 1,582,269.55
Step by Step Solution
- Step 1: Write the proportion equation
2,005,993.44 : 2,768,270.92 = 1,146,572.15 : x - Step 2: Convert to fraction form
2,005,993.44/2,768,270.92 = 1,146,572.15/x - Step 3: Cross multiply
2,005,993.44x = 2,768,270.92 × 1,146,572.15 - Step 4: Simplify right side
2,005,993.44x = 3,174,022,344,581.13 - Step 5: Solve for x
x = 3,174,022,344,581.13/2,005,993.44 - Step 6: Final answer
x = 1,582,269.55
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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.