Finding the Fourth Proportional to 7,302,841.20, 10,075,473.09 and 4,205,297.79
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Solution
The fourth proportional to 7,302,841.20, 10,075,473.09 and 4,205,297.79 is: 5,801,901.42
Step by Step Solution
- Step 1: Write the proportion equation
7,302,841.20 : 10,075,473.09 = 4,205,297.79 : x - Step 2: Convert to fraction form
7,302,841.20/10,075,473.09 = 4,205,297.79/x - Step 3: Cross multiply
7,302,841.20x = 10,075,473.09 × 4,205,297.79 - Step 4: Simplify right side
7,302,841.20x = 42,370,364,718,581.47 - Step 5: Solve for x
x = 42,370,364,718,581.47/7,302,841.20 - Step 6: Final answer
x = 5,801,901.42
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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.