Finding the Fourth Proportional to 6,257,645.85, 9,389,166.16 and 3,378,440.96
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Solution
The fourth proportional to 6,257,645.85, 9,389,166.16 and 3,378,440.96 is: 5,069,117.73
Step by Step Solution
- Step 1: Write the proportion equation
6,257,645.85 : 9,389,166.16 = 3,378,440.96 : x - Step 2: Convert to fraction form
6,257,645.85/9,389,166.16 = 3,378,440.96/x - Step 3: Cross multiply
6,257,645.85x = 9,389,166.16 × 3,378,440.96 - Step 4: Simplify right side
6,257,645.85x = 31,720,743,529,485.49 - Step 5: Solve for x
x = 31,720,743,529,485.49/6,257,645.85 - Step 6: Final answer
x = 5,069,117.73
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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.