Finding the Fourth Proportional to 4,075,528.82, 6,112,918.40 and 1,379,545.88
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Solution
The fourth proportional to 4,075,528.82, 6,112,918.40 and 1,379,545.88 is: 2,069,191.94
Step by Step Solution
- Step 1: Write the proportion equation
4,075,528.82 : 6,112,918.40 = 1,379,545.88 : x - Step 2: Convert to fraction form
4,075,528.82/6,112,918.40 = 1,379,545.88/x - Step 3: Cross multiply
4,075,528.82x = 6,112,918.40 × 1,379,545.88 - Step 4: Simplify right side
4,075,528.82x = 8,433,051,356,033.87 - Step 5: Solve for x
x = 8,433,051,356,033.87/4,075,528.82 - Step 6: Final answer
x = 2,069,191.94
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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.