Finding the Fourth Proportional to 6,784,318.58, 9,362,450.92 and 3,686,903.42
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Solution
The fourth proportional to 6,784,318.58, 9,362,450.92 and 3,686,903.42 is: 5,087,976.33
Step by Step Solution
- Step 1: Write the proportion equation
6,784,318.58 : 9,362,450.92 = 3,686,903.42 : x - Step 2: Convert to fraction form
6,784,318.58/9,362,450.92 = 3,686,903.42/x - Step 3: Cross multiply
6,784,318.58x = 9,362,450.92 × 3,686,903.42 - Step 4: Simplify right side
6,784,318.58x = 34,518,452,316,530.14 - Step 5: Solve for x
x = 34,518,452,316,530.14/6,784,318.58 - Step 6: Final answer
x = 5,087,976.33
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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.