Finding the Fourth Proportional to 1,605,679.91, 2,215,841.18 and 880,532.81
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Solution
The fourth proportional to 1,605,679.91, 2,215,841.18 and 880,532.81 is: 1,215,136.86
Step by Step Solution
- Step 1: Write the proportion equation
1,605,679.91 : 2,215,841.18 = 880,532.81 : x - Step 2: Convert to fraction form
1,605,679.91/2,215,841.18 = 880,532.81/x - Step 3: Cross multiply
1,605,679.91x = 2,215,841.18 × 880,532.81 - Step 4: Simplify right side
1,605,679.91x = 1,951,120,845,257.25 - Step 5: Solve for x
x = 1,951,120,845,257.25/1,605,679.91 - Step 6: Final answer
x = 1,215,136.86
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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.