Finding the Fourth Proportional to 3,075,456.63, 4,244,113.26 and 1,698,895.05
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Solution
The fourth proportional to 3,075,456.63, 4,244,113.26 and 1,698,895.05 is: 2,344,465.83
Step by Step Solution
- Step 1: Write the proportion equation
3,075,456.63 : 4,244,113.26 = 1,698,895.05 : x - Step 2: Convert to fraction form
3,075,456.63/4,244,113.26 = 1,698,895.05/x - Step 3: Cross multiply
3,075,456.63x = 4,244,113.26 × 1,698,895.05 - Step 4: Simplify right side
3,075,456.63x = 7,210,302,993,137.94 - Step 5: Solve for x
x = 7,210,302,993,137.94/3,075,456.63 - Step 6: Final answer
x = 2,344,465.83
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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.