Finding the Fourth Proportional to 3,169,361.12, 4,370,252.13 and 2,355,075.41
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Solution
The fourth proportional to 3,169,361.12, 4,370,252.13 and 2,355,075.41 is: 3,247,428.40
Step by Step Solution
- Step 1: Write the proportion equation
3,169,361.12 : 4,370,252.13 = 2,355,075.41 : x - Step 2: Convert to fraction form
3,169,361.12/4,370,252.13 = 2,355,075.41/x - Step 3: Cross multiply
3,169,361.12x = 4,370,252.13 × 2,355,075.41 - Step 4: Simplify right side
3,169,361.12x = 10,292,273,305,011.86 - Step 5: Solve for x
x = 10,292,273,305,011.86/3,169,361.12 - Step 6: Final answer
x = 3,247,428.40
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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.