Finding the Fourth Proportional to 2,269,048.19, 3,131,195.33 and 1,236,533.82
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Solution
The fourth proportional to 2,269,048.19, 3,131,195.33 and 1,236,533.82 is: 1,706,366.99
Step by Step Solution
- Step 1: Write the proportion equation
2,269,048.19 : 3,131,195.33 = 1,236,533.82 : x - Step 2: Convert to fraction form
2,269,048.19/3,131,195.33 = 1,236,533.82/x - Step 3: Cross multiply
2,269,048.19x = 3,131,195.33 × 1,236,533.82 - Step 4: Simplify right side
2,269,048.19x = 3,871,828,940,339.87 - Step 5: Solve for x
x = 3,871,828,940,339.87/2,269,048.19 - Step 6: Final answer
x = 1,706,366.99
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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.