Finding the Fourth Proportional to 3,837,195.15, 5,295,296.79 and 2,118,278.76
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Solution
The fourth proportional to 3,837,195.15, 5,295,296.79 and 2,118,278.76 is: 2,923,206.74
Step by Step Solution
- Step 1: Write the proportion equation
3,837,195.15 : 5,295,296.79 = 2,118,278.76 : x - Step 2: Convert to fraction form
3,837,195.15/5,295,296.79 = 2,118,278.76/x - Step 3: Cross multiply
3,837,195.15x = 5,295,296.79 × 2,118,278.76 - Step 4: Simplify right side
3,837,195.15x = 11,216,914,718,153.18 - Step 5: Solve for x
x = 11,216,914,718,153.18/3,837,195.15 - Step 6: Final answer
x = 2,923,206.74
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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.