Finding the Fourth Proportional to 2,274,419.25, 3,136,139.78 and 1,859,661.99
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Solution
The fourth proportional to 2,274,419.25, 3,136,139.78 and 1,859,661.99 is: 2,564,241.37
Step by Step Solution
- Step 1: Write the proportion equation
2,274,419.25 : 3,136,139.78 = 1,859,661.99 : x - Step 2: Convert to fraction form
2,274,419.25/3,136,139.78 = 1,859,661.99/x - Step 3: Cross multiply
2,274,419.25x = 3,136,139.78 × 1,859,661.99 - Step 4: Simplify right side
2,274,419.25x = 5,832,159,934,894.65 - Step 5: Solve for x
x = 5,832,159,934,894.65/2,274,419.25 - Step 6: Final answer
x = 2,564,241.37
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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.