Finding the Fourth Proportional to 6,790,949.94, 9,368,746.02 and 3,850,147.02
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Solution
The fourth proportional to 6,790,949.94, 9,368,746.02 and 3,850,147.02 is: 5,311,635.32
Step by Step Solution
- Step 1: Write the proportion equation
6,790,949.94 : 9,368,746.02 = 3,850,147.02 : x - Step 2: Convert to fraction form
6,790,949.94/9,368,746.02 = 3,850,147.02/x - Step 3: Cross multiply
6,790,949.94x = 9,368,746.02 × 3,850,147.02 - Step 4: Simplify right side
6,790,949.94x = 36,071,049,570,039.86 - Step 5: Solve for x
x = 36,071,049,570,039.86/6,790,949.94 - Step 6: Final answer
x = 5,311,635.32
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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.