Finding the Fourth Proportional to 2,117,703.75, 3,177,053.82 and 697,759.77
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Solution
The fourth proportional to 2,117,703.75, 3,177,053.82 and 697,759.77 is: 1,046,803.80
Step by Step Solution
- Step 1: Write the proportion equation
2,117,703.75 : 3,177,053.82 = 697,759.77 : x - Step 2: Convert to fraction form
2,117,703.75/3,177,053.82 = 697,759.77/x - Step 3: Cross multiply
2,117,703.75x = 3,177,053.82 × 697,759.77 - Step 4: Simplify right side
2,117,703.75x = 2,216,820,342,720.82 - Step 5: Solve for x
x = 2,216,820,342,720.82/2,117,703.75 - Step 6: Final answer
x = 1,046,803.80
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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.