Finding the Fourth Proportional to 6,295,973.36, 8,688,186.60 and 3,718,488.56
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Solution
The fourth proportional to 6,295,973.36, 8,688,186.60 and 3,718,488.56 is: 5,131,362.64
Step by Step Solution
- Step 1: Write the proportion equation
6,295,973.36 : 8,688,186.60 = 3,718,488.56 : x - Step 2: Convert to fraction form
6,295,973.36/8,688,186.60 = 3,718,488.56/x - Step 3: Cross multiply
6,295,973.36x = 8,688,186.60 × 3,718,488.56 - Step 4: Simplify right side
6,295,973.36x = 32,306,922,479,245.30 - Step 5: Solve for x
x = 32,306,922,479,245.30/6,295,973.36 - Step 6: Final answer
x = 5,131,362.64
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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.