Finding the Fourth Proportional to 3,643,328.70, 5,460,327.45 and 2,797,688.70
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Solution
The fourth proportional to 3,643,328.70, 5,460,327.45 and 2,797,688.70 is: 4,192,950.37
Step by Step Solution
- Step 1: Write the proportion equation
3,643,328.70 : 5,460,327.45 = 2,797,688.70 : x - Step 2: Convert to fraction form
3,643,328.70/5,460,327.45 = 2,797,688.70/x - Step 3: Cross multiply
3,643,328.70x = 5,460,327.45 × 2,797,688.70 - Step 4: Simplify right side
3,643,328.70x = 15,276,296,405,164.82 - Step 5: Solve for x
x = 15,276,296,405,164.82/3,643,328.70 - Step 6: Final answer
x = 4,192,950.37
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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.