Finding the Fourth Proportional to 4,429,383.80, 6,644,075.70 and 2,189,895.80
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Solution
The fourth proportional to 4,429,383.80, 6,644,075.70 and 2,189,895.80 is: 3,284,843.70
Step by Step Solution
- Step 1: Write the proportion equation
4,429,383.80 : 6,644,075.70 = 2,189,895.80 : x - Step 2: Convert to fraction form
4,429,383.80/6,644,075.70 = 2,189,895.80/x - Step 3: Cross multiply
4,429,383.80x = 6,644,075.70 × 2,189,895.80 - Step 4: Simplify right side
4,429,383.80x = 14,549,833,470,312.06 - Step 5: Solve for x
x = 14,549,833,470,312.06/4,429,383.80 - Step 6: Final answer
x = 3,284,843.70
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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.