Finding the Fourth Proportional to 3,486,126.58, 4,809,362.38 and 2,177,106.05
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Solution
The fourth proportional to 3,486,126.58, 4,809,362.38 and 2,177,106.05 is: 3,003,474.40
Step by Step Solution
- Step 1: Write the proportion equation
3,486,126.58 : 4,809,362.38 = 2,177,106.05 : x - Step 2: Convert to fraction form
3,486,126.58/4,809,362.38 = 2,177,106.05/x - Step 3: Cross multiply
3,486,126.58x = 4,809,362.38 × 2,177,106.05 - Step 4: Simplify right side
3,486,126.58x = 10,470,491,934,140.40 - Step 5: Solve for x
x = 10,470,491,934,140.40/3,486,126.58 - Step 6: Final answer
x = 3,003,474.40
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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.