Finding the Fourth Proportional to 2,609,836.13, 3,601,566.49 and 1,448,457.74
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Solution
The fourth proportional to 2,609,836.13, 3,601,566.49 and 1,448,457.74 is: 1,998,867.59
Step by Step Solution
- Step 1: Write the proportion equation
2,609,836.13 : 3,601,566.49 = 1,448,457.74 : x - Step 2: Convert to fraction form
2,609,836.13/3,601,566.49 = 1,448,457.74/x - Step 3: Cross multiply
2,609,836.13x = 3,601,566.49 × 1,448,457.74 - Step 4: Simplify right side
2,609,836.13x = 5,216,716,858,565.13 - Step 5: Solve for x
x = 5,216,716,858,565.13/2,609,836.13 - Step 6: Final answer
x = 1,998,867.59
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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.