Finding the Fourth Proportional to 3,486,125.55, 4,809,360.96 and 2,177,105.02
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Solution
The fourth proportional to 3,486,125.55, 4,809,360.96 and 2,177,105.02 is: 3,003,472.98
Step by Step Solution
- Step 1: Write the proportion equation
3,486,125.55 : 4,809,360.96 = 2,177,105.02 : x - Step 2: Convert to fraction form
3,486,125.55/4,809,360.96 = 2,177,105.02/x - Step 3: Cross multiply
3,486,125.55x = 4,809,360.96 × 2,177,105.02 - Step 4: Simplify right side
3,486,125.55x = 10,470,483,888,216.27 - Step 5: Solve for x
x = 10,470,483,888,216.27/3,486,125.55 - Step 6: Final answer
x = 3,003,472.98
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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.