Finding the Fourth Proportional to 2,961,634.68, 4,087,329.81 and 1,799,812.80
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Solution
The fourth proportional to 2,961,634.68, 4,087,329.81 and 1,799,812.80 is: 2,483,908.15
Step by Step Solution
- Step 1: Write the proportion equation
2,961,634.68 : 4,087,329.81 = 1,799,812.80 : x - Step 2: Convert to fraction form
2,961,634.68/4,087,329.81 = 1,799,812.80/x - Step 3: Cross multiply
2,961,634.68x = 4,087,329.81 × 1,799,812.80 - Step 4: Simplify right side
2,961,634.68x = 7,356,428,509,859.57 - Step 5: Solve for x
x = 7,356,428,509,859.57/2,961,634.68 - Step 6: Final answer
x = 2,483,908.15
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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.