Finding the Fourth Proportional to 6,242,563.76, 9,363,634.58 and 2,198,945.90
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Solution
The fourth proportional to 6,242,563.76, 9,363,634.58 and 2,198,945.90 is: 3,298,344.50
Step by Step Solution
- Step 1: Write the proportion equation
6,242,563.76 : 9,363,634.58 = 2,198,945.90 : x - Step 2: Convert to fraction form
6,242,563.76/9,363,634.58 = 2,198,945.90/x - Step 3: Cross multiply
6,242,563.76x = 9,363,634.58 × 2,198,945.90 - Step 4: Simplify right side
6,242,563.76x = 20,590,125,810,976.32 - Step 5: Solve for x
x = 20,590,125,810,976.32/6,242,563.76 - Step 6: Final answer
x = 3,298,344.50
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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.