Finding the Fourth Proportional to 2,642,523.75, 3,646,686.42 and 1,435,299.75
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Solution
The fourth proportional to 2,642,523.75, 3,646,686.42 and 1,435,299.75 is: 1,980,715.63
Step by Step Solution
- Step 1: Write the proportion equation
2,642,523.75 : 3,646,686.42 = 1,435,299.75 : x - Step 2: Convert to fraction form
2,642,523.75/3,646,686.42 = 1,435,299.75/x - Step 3: Cross multiply
2,642,523.75x = 3,646,686.42 × 1,435,299.75 - Step 4: Simplify right side
2,642,523.75x = 5,234,088,106,954.39 - Step 5: Solve for x
x = 5,234,088,106,954.39/2,642,523.75 - Step 6: Final answer
x = 1,980,715.63
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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.